Residential takeoffs
Two- and three-family gut renovations and infill new builds, with existing-condition allowances called out separately from new work.
SF · EA · LFPerth Amboy, NJ
Construction estimating services in Perth Amboy, NJ
We prepare quantity takeoffs and cost estimates for builders working in Perth Amboy, Middlesex County and the surrounding Route 1 corridor. Deliverables arrive in Excel and PDF, organized by CSI MasterFormat division.
24–48 hours for most projectsTypical turnaround
Every CSI divisionSitework through MEP
Perth Amboy ZIP pricingLocal material and labor
Price confirmed firstBefore any work starts
Census BPS · Perth Amboy · 2025Real permit data
Perth Amboy new housing permits2025
New housing units3Change vs. 2024+200%Permitted construction value$388,000Average value per unit$129,300Rank among covered New Jersey cities#25
Single-family: 1 (33%)Multifamily: 2 (67%)
U.S. Census Bureau, Building Permits Survey, 2025. Residential only.
What makes construction estimating in Perth Amboy different?
Perth Amboy pricing is driven by waterfront and flood-zone foundation details, older housing stock with gut-renovation scope, dense infill lots with tight staging, Middlesex County prevailing-wage exposure on public work, and warehouse shell construction along the Route 1/Route 9 corridor.
- Perth Amboy permitted 3 new housing units in 2025, #25 among the New Jersey cities we cover.
- About 67% were in multifamily buildings; 33% were single-family.
- Permit volume was up 200% compared with 2024.
Perth Amboy sits at the mouth of the Raritan River in Middlesex County, where waterfront parcels, older two- and three-family housing stock and industrial land along the Route 1 corridor produce three very different estimating problems on the same bid list. A gut renovation near the downtown waterfront carries flood-zone elevation and foundation scope that a comparable project inland does not. A warehouse shell off Route 1 is priced almost entirely on sitework, structural steel and slab, with MEP kept minimal until tenant fit-out.
We build estimates from the plans you send, not from a square-foot multiplier. Takeoffs are organized by CSI MasterFormat division, priced with ZIP-code-adjusted material and labor from RSMeans data, and returned with marked-up plan sets so you can trace every quantity back to the sheet. If you are bidding against other contractors in the region, our New Jersey construction estimating page covers how we handle state-wide labor and material adjustments, and the same approach applies to work we price for Hoboken and Union City.
- Coverage
- Perth Amboy and nearby New Jersey communities
- Deliverable
- Excel estimate + marked-up PDF plans
- Pricing basis
- Perth Amboy ZIP-code material and labor costs
- Turnaround
- 24–48 hours for most projects
- Software
- Bluebeam Revu, PlanSwift, RSMeans data
01
For bidders. You need a defensible number before the bid date. We return division-level quantities with marked-up plans so you can see exactly where the concrete, framing and MEP scope came from.
02
For builders. You are buying out subs and ordering material. We price by ZIP code, separate material from labor, and flag the scope gaps that turn into change orders after award.
03
For owners. You are comparing budgets before design is complete. We give you a division-level cost model you can update as drawings develop, without re-pricing the whole job.
Perth Amboy by the numbers
Perth Amboy's residential construction pipeline
Select a bar to compare Perth Amboy with the largest New Jersey markets we cover.
3New housing units, 2025
0%Of all units in the New Jersey cities we cover
$388,000Permitted residential value
67%In multifamily buildings
New housing units permitted in 2025. Source: U.S. Census Bureau, Building Permits Survey.
This city
Perth Amboy
3 new housing units in 2025 (+200% vs 2024).
1 single-family · 2 multifamily (67%).
What the permit data says about Perth Amboy
Perth Amboy issued permits for 3 new privately-owned residential units in 2025, up from 1 in 2024 — a 200% change on a very small base. Of those, 1 unit was single-family and 2 were multifamily, so 67% of permitted units were in multifamily buildings. Permitted construction value was $388,000, or $129,300 per unit. Among the 25 covered New Jersey cities we track, Perth Amboy ranked 25th by units and accounted for a share of the covered state total that rounds to 0%, against 6,503 units state-wide. Read that as a small, lumpy pipeline: a single three-family project can swing the year. For bidders, it means fewer but larger-ticket residential jobs, and more competition for each one. The state-wide demand picture — strong housing-approval growth plus dense infill and warehouse demand — is the better guide to where your backlog will come from. Our New Jersey construction estimating page breaks down how we adjust for that.
Where the work actually is
Residential permit volume is thin, so most of the estimating demand in Perth Amboy comes from renovation, conversion and non-residential work. The city's older housing stock means gut renovations with unknown existing conditions: balloon framing, undersized electrical services, cast-iron drainage and asbestos-containing finishes in pre-1980 buildings. Waterfront and low-lying parcels bring flood-zone foundation scope — elevated slabs, flood vents, backwater valves and, in some cases, piles. Industrial and warehouse buildings along the Route 1 and Route 9 corridors are priced as shells: sitework, slab-on-grade, structural steel, envelope and fire protection, with tenant fit-out carried as an allowance. Middlesex County public work adds prevailing-wage and certified-payroll exposure that changes the labor line substantially. We price all of it from the drawings, using sitework estimating for the civil package and MEP estimating for the building systems, and we cover the same ground for contractors working in Passaic and Vineland.
Services
Construction estimating services in Perth Amboy
Every takeoff below is built from your drawings and specifications, priced with ZIP-code-adjusted material and labor, and delivered in Excel and PDF by CSI MasterFormat division with marked-up plan sets.
Multifamily estimating
Unit-mix pricing, repetitive floor-to-floor quantities and common-area scope for low- and mid-rise residential buildings.
SF · EA · UNITSitework and utilities
Excavation, backfill, sanitary and storm laterals, and pavement for tight infill lots and Route 1 corridor sites.
CY · LF · TONConcrete and foundations
Footings, stem walls, slab-on-grade and elevated slabs, including flood-zone elevation details for waterfront parcels.
CY · SF · LBFraming takeoffs
Dimensional lumber, engineered joists, sheathing and hardware counted member by member from the framing plans.
BF · LF · EARoofing and envelope
Membrane, shingle and low-slope assemblies with insulation, flashing and tear-off quantities for older buildings.
SQ · LF · SFMEP estimating
Plumbing, HVAC and electrical takeoffs for residential and light commercial, with fixture and equipment schedules.
LF · EA · TONCommercial estimating
Warehouse shells and tenant fit-outs along the industrial corridor, priced to division with fire protection included.
SF · TON · EAWho we provide estimates for
Who uses our Perth Amboy estimates
General contractors
Bidding waterfront gut rehabs and Route 1 warehouse shells against a hard bid date. You need division-level quantities and marked-up plans before you commit a number.
Subcontractors
Pricing concrete, framing or MEP packages on two- and three-family infill in Middlesex County. You need the scope boundaries drawn clearly so your bid excludes what the GC carries.
Developers
Running small multifamily and mixed-use infill where the city issued 3 new residential units in 2025. You need a cost model you can update as drawings develop.
Architects
Checking that a design stays inside budget before it goes to bid. You need quantities back in a format that maps to your sheet index and spec sections.
Owners and property managers
Budgeting repairs on older downtown housing stock near the Raritan waterfront. You need material and labor separated so you can phase the work.
Industrial and warehouse builders
Pricing shell buildings and yard work along the Route 1 corridor. You need sitework, slab and steel quantities that hold up to a lender or tenant review.
Where we provide estimates
Perth Amboy areas and nearby communities we cover
We price work across Middlesex County and the surrounding cities, from waterfront blocks to inland infill. Send plans for any of these areas and we return the same division-level format.
Downtown and waterfront
- Downtown Perth Amboy
- Waterfront district
- Smith Street corridor
- Amboy Avenue corridor
- Raritan River waterfront
Inland neighborhoods
- Fayette Street area
- Hall Avenue area
- New Brunswick Avenue corridor
- Lee Avenue area
- Brace Avenue area
Nearby cities we cover
Property types
Types of Perth Amboy properties we estimate
Perth Amboy's 2025 permit mix was small and multifamily-weighted: 3 new privately-owned residential units, 2 of them multifamily. The work here is mostly renovation, infill and industrial rather than greenfield subdivision.
Two- and three-family homes
Older wood-frame housing stock on tight lots, often with a full gut and new MEP. We take off framing, sheathing, roofing and interior finishes by floor and flag the structural repairs that show up after demolition.
Watch for: Demo, structural repair, roof pitch, egress windows
Small multifamily infill
Three- to six-unit buildings on infill lots where parking, setbacks and stormwater rules drive the site plan. We price the building and the sitework together so the two budgets do not collide at award.
Watch for: Sitework, retaining walls, fire separation, parking striping
Waterfront gut renovations
Downtown and waterfront buildings where flood elevation, foundation repair and utility replacement set the cost. We separate the flood-related scope from the interior fit-out so you can see what the location adds.
Watch for: Flood elevation, foundation waterproofing, utility replacement
Warehouse and industrial shells
Route 1 corridor buildings priced on slab, structural steel, roof and yard work, with MEP kept minimal until tenant fit-out. We take off sitework and building shell as separate divisions.
Watch for: Slab flatness, steel tonnage, roof system, yard paving
Mixed-use buildings
Ground-floor commercial with residential above, common on the main corridors. We price the two occupancies separately because the code and finish requirements diverge at the floor line.
Watch for: Occupancy separation, storefront glazing, separate MEP systems
Tenant fit-outs
Retail, office and light industrial fit-outs inside existing shells, where the base building conditions are the biggest unknown. We take off partitions, ceilings, lighting and HVAC distribution from the demised plan.
Watch for: Existing conditions, sprinkler relocation, HVAC capacity
Local factors
What changes a construction estimate in Perth Amboy
Perth Amboy bids turn on a handful of local conditions that a generic square-foot number misses. These are the ones we price into every takeoff.
Flood zone and elevation
Waterfront and low-lying blocks near the Raritan River carry floodplain requirements that add elevation, foundation and waterproofing scope. The cost driver is the required lowest floor elevation relative to existing grade, plus flood-resistant materials below that line. Confirm the adopted floodplain ordinance and FIRM panel with the Perth Amboy building department before you price the foundation.
Raritan River · FEMA FIRM panels · Perth Amboy building departmentOlder housing stock
Much of the downtown housing was built before modern codes, so a renovation estimate has to carry allowances for structural repair, knob-and-tube or early wiring, galvanized supply lines and undersized framing. The cost driver is how much of the existing assembly stays. We list those allowances as separate line items so you can drop or add them after a site visit.
Downtown housing stock · structural repair · MEP replacementCoastal storm and wind
The Raritan Bay shoreline sees nor'easters and coastal flooding, and the New Jersey Uniform Construction Code wind provisions apply to roof and wall assemblies. The cost driver is the wind-borne debris and uplift detailing on roofs, windows and attachments. Roofing and framing takeoffs should carry the required fastening and sheathing schedule, not a generic nailing pattern.
Raritan Bay · New Jersey Uniform Construction Code · wind upliftUnion labor and prevailing wage
Middlesex County sits inside the New York–Newark labor market, and public or publicly funded work in New Jersey typically carries prevailing wage. The cost driver is whether the job is private or public and which wage determination applies. We price labor separately from material so a wage adjustment can be applied without redoing the whole takeoff.
Middlesex County · prevailing wage · RSMeans labor ratesTight infill lots and drainage
Many infill parcels are narrow, already paved, and drain toward a combined sewer system. The cost driver is how much stormwater detention, utility relocation and dewatering the site needs before the building starts. Sitework scope should be priced early because it often decides whether the project is feasible at all.
Combined sewer system · stormwater detention · utility relocationMaterials, logistics and taxes
Perth Amboy is an older, dense city, so deliveries, crane placement and dumpster staging are constrained by narrow streets and on-street parking. The cost driver is the added labor and equipment time for material handling, not the material price itself. New Jersey sales and use tax treatment on materials also varies by contract type and should be confirmed with your accountant.
Narrow streets · material handling · New Jersey sales and use taxPerth Amboy estimating guide
How Perth Amboy conditions show up in a takeoff, trade by trade
Perth Amboy's mix of century-old two- and three-family houses, tight infill lots, and waterfront exposure changes what you count and how you price it. The five sections below walk through the trades where local conditions move the numbers most.
Sitework and utilities
Most Perth Amboy infill lots are narrow, with the house set close to both side lines, so excavation is machine-limited and often hand-finished near foundations and utilities. You should carry separate line items for dewatering, sheeting or shoring where the dig goes below the adjacent footing, and export of unsuitable material instead of assuming on-site reuse. Older blocks in the city can carry combined storm and sanitary laterals, so camera inspection and possible lateral replacement belong in the estimate. Runoff and tidal groundwater near the Raritan River waterfront drive sump and pump allowances. For a full takeoff on these items, see our sitework estimating services.
Framing and roofing
Two- and three-family houses here are typically wood frame over a masonry or concrete base, with balloon framing still present in pre-war stock. On a renovation, count replacement of rotted sill plates, sistered joists and new blocking at bearing walls, not just new studs. Wind exposure near the waterfront pushes roof sheathing nailing and uplift hardware to the higher end of the code table, so hurricane clips and ring-shank nails belong as separate items. Roof geometry on these narrow lots is often steep and cut up, which raises waste on shingles and flashing. Our framing estimating services and roofing estimating services break these out by assembly.
Interior finishes and general conditions
In a two- or three-family house, finishes multiply by unit count: kitchens, baths, doors and trim all repeat, and a takeoff that prices one unit and multiplies by three usually misses shared corridors, common stairs and separate utility metering. Count each dwelling's kitchen and bath package separately, then add common-area scope. General conditions on these jobs run higher than the floor area suggests because of street parking limits, material staging on tight lots, and dumpster placement. For repeat unit layouts, our residential estimating services and multi-family estimating services organize the takeoff by unit type so you can see the per-unit cost clearly.
Concrete and foundations
Perth Amboy sits on a mix of coastal plain soils and historic fill, so foundation design often lands on spread footings with deeper frost cover than inland New Jersey, or on piles where fill is thick. A takeoff should separate footing concrete, stem wall, slab-on-grade with vapor barrier, and any pile caps, because each has its own waste and formwork factor. Where the first floor is raised above the flood elevation, count the taller foundation walls, additional anchor bolts and the crawl space vents. Basement waterproofing and drainage board are almost always in scope on these lots. Our concrete estimating services and foundation estimating services cover these assemblies line by line.
MEP systems
Perth Amboy's older housing stock means MEP work is frequently a full replacement rather than an add-on: undersized electrical services, galvanized water lines, and cast iron drains past their service life. Count a new service mast and meter pan, panel upgrade, and separate circuits for each dwelling unit in a multi-family conversion. On the mechanical side, tight lots limit condenser placement, so line-set runs and wall penetrations need to be measured, not assumed. Gas piping sizing matters when a boiler or water heater is replaced. Our MEP estimating services handle plumbing, HVAC and electrical takeoffs together so the trades do not overlap or leave holes.
Scope gaps we see on Perth Amboy bids
- Lateral sewer and water line replacement from the house to the main, often discovered only after excavation starts on older blocks.
- Dewatering and disposal of groundwater during foundation work on low-lying lots near the waterfront.
- Sheeting, shoring or underpinning where a new foundation is dug within a few feet of an existing structure.
- Temporary power, heat and hoisting for multi-story renovations where the existing service cannot carry the load.
- Permit expediting, inspections and re-inspection fees for projects in flood zones or historic districts.
- Final cleaning, punch list labor and dumpster pulls that multiply across three dwelling units instead of one.
Free tool
Concrete volume calculator
Quick check for a single element. For a full drawing set, send the plans and we measure everything, including the items calculators miss.
Typical waste: 3–5% for slabs, 5–10% for footings and walls. Truck count assumes 10 CY loads; confirm load size with your ready-mix supplier.
Result
19.4CY
Net volume18.5 CY
Cubic feet500 CF
Ready-mix trucks (10 CY)2
80 lb bags (premix)875
Need the full takeoff with pricing? Upload your plans.
How it works
How we estimate a Perth Amboy project
- Read the full setArchitectural, structural, civil and MEP drawings, the geotechnical report and every addendum.
- Check Perth Amboy conditionsLocal code edition, site and drainage requirements, soils and any hazard rules are confirmed before the takeoff starts.
- Take off by CSI sectionQuantities measured and color-coded on the plans, so every number traces to a sheet.
- Price to Perth AmboyMaterial and labor costs adjusted to the project ZIP code, or to your own supplier quotes and crew rates.
- Check and deliverA second estimator checks quantities before the estimate goes out.
Sample output
Sample takeoff: three-family house renovation, Perth Amboy
| Section | Line item | Qty | Unit |
|---|---|---|---|
| 03 30 00 | Footing and slab concrete, 4000 psi | 48 | CY |
| 05 12 00 | Structural steel lintels and beams | 1,250 | LB |
| 06 10 00 | Dimensional lumber, framing repairs | 3,400 | BF |
| 07 21 00 | Batt and rigid insulation, walls and roof | 6,800 | SF |
| 09 30 00 | Ceramic tile, three kitchens and baths | 1,150 | SF |
| 09 29 00 | Gypsum board, 1/2 in. and 5/8 in. | 9,600 | SF |
| 22 11 00 | Domestic water piping, PEX and copper | 2,900 | LF |
| 26 40 00 | Electrical devices, panels and fixtures | 3 | EA |
Worked example: footing concrete for a Perth Amboy two-family infill
This example sizes a continuous footing for a two-family infill house on a 25 ft wide lot. Dimensions are illustrative; your plan governs. The footing runs 25 ft across the front, 25 ft across the rear, and two 40 ft sides, for a total run of 130 LF. Footing width is 24 in. and thickness is 12 in., with a 6 in. stem wall above.
| Step | Calculation | Result |
|---|---|---|
| Total footing run | 25 + 25 + 40 + 40 | 130 LF |
| Cross-section area | 2.0 ft × 1.0 ft | 2.00 SF |
| Net concrete volume | 130 LF × 2.00 SF | 260 CF |
| Convert to cubic yards | 260 ÷ 27 | 9.63 CY |
| Waste factor (typical 5–10%) | 9.63 × 1.08 | 10.40 CY |
| Stem wall volume | 130 LF × 0.5 ft × 0.67 ft | 43.6 CF |
| Stem wall in CY | 43.6 ÷ 27 | 1.61 CY |
| Stem wall with 8% waste | 1.61 × 1.08 | 1.74 CY |
| Total ordered concrete | 10.40 + 1.74 | 12.14 CY |
| Formwork, both faces | 130 LF × 1.0 ft × 2 | 260 SF |
| Formwork with 10% waste | 260 × 1.10 | 286 SF |
| Rebar, 4-#5 continuous | 130 LF × 4 bars | 520 LF |
| Rebar with 10% lap and waste | 520 × 1.10 | 572 LF |
Two things move these numbers in Perth Amboy. First, if the geotech report calls for deeper footings or piles because of historic fill, the excavation and concrete quantities change, and you need a separate line for pile caps. Second, if the first floor is raised above the flood elevation, the stem wall gets taller and the formwork area grows with it. Round concrete to the nearest quarter yard when you order, and keep the waste factor on formwork separate from the waste factor on concrete, because they are consumed at different rates. For a full foundation package priced this way, use our foundation estimating services.
FAQ
Perth Amboy construction estimating questions
Where do the permit numbers on this page come from?
They come from the U.S. Census Bureau Building Permits Survey for 2025, which counts new privately-owned residential units permitted by the city itself. The survey covers residential only, so it does not include commercial, industrial or demolition permits. Perth Amboy issued 3 new residential units in 2025, up from 1 in 2024, with 2 of the 3 in multifamily buildings. That is a small base, so year-to-year percentage changes look large but reflect only a handful of projects.
Do you price Perth Amboy work with local labor and material rates?
Yes. We use ZIP-code-adjusted material and labor pricing from RSMeans data, so the rates reflect Middlesex County conditions rather than a national average. Union labor and prevailing wage requirements on publicly funded work are handled as separate rate columns when your project requires them. If you have current quotes from your own suppliers or subcontractors, send them and we will reconcile the takeoff to your numbers instead of the database.
How do flood zone requirements change a takeoff?
If the first floor is elevated above the base flood elevation, you get taller foundation walls, more formwork, longer anchor bolts, additional crawl space vents and often a different stair or deck configuration. Those items should appear as their own lines, not folded into the general foundation cost. Confirm the adopted floodplain ordinance and the required elevation with the Perth Amboy building department and your design professional before pricing, because the requirement follows the map and the adopted code edition.
Can you take off a three-family conversion from existing plans?
Yes, provided the plans show the proposed unit layouts, the new partitions, and the mechanical, electrical and plumbing riser diagrams. Conversions are the hardest residential takeoff because existing conditions are unknown until walls open. We price the visible scope from the drawings and list the assumptions separately, so you can carry a contingency for concealed framing, piping and wiring rather than guessing at a single lump sum.
What turnaround should I expect?
Most projects come back in 24 to 48 hours, and rush turnaround is available when you have a bid due. Deliverables are Excel and PDF, organized by CSI MasterFormat division, with marked-up plan sets so you can trace every quantity back to the sheet it came from. Larger multi-building packages take longer; we will tell you the delivery date before we start rather than after.
Do you handle commercial and industrial work in Perth Amboy?
Yes. Alongside residential and multi-family work, we take off commercial fit-outs, warehouse and light industrial buildings, and site packages. The Middlesex County market includes warehouse and distribution demand, and those projects have their own scope structure: slab flatness, dock equipment, fire protection, and heavier electrical service. Our commercial estimating services and industrial estimating services cover those divisions.
How do you treat demolition and hazardous materials on older houses?
Demolition is a separate division from new construction, and on pre-war Perth Amboy housing it should include selective demolition, dumpster counts and protection of existing finishes. Asbestos and lead paint are not estimated by us as abatement costs, because they depend on a licensed inspector's report. We carry a line for abatement as a subcontractor allowance and flag it clearly, so you can plug in the abatement contractor's number when it arrives.
What do you need from me to start a takeoff?
Send the architectural, structural, and MEP drawings, the specification book, and any addenda. A geotechnical report helps on foundation work, and a survey or site plan is needed for sitework. If you only have a partial set, tell us which sheets are missing so we can note the exclusions rather than assume scope. Use our get an estimate page to upload the files and tell us the bid date.
Do you cover nearby cities in the same format?
Yes. We produce the same CSI-organized Excel and PDF deliverables for projects across the region, including Hoboken, Union City, West New York, Passaic, Vineland and Union. Rates are adjusted by ZIP code, so a takeoff for a Perth Amboy address reflects local pricing rather than a statewide average. The state-level overview is on our New Jersey construction estimating page.
How do you handle waste factors on a takeoff?
Waste is applied per material, not as one blanket percentage. Typical ranges run 5 to 10 percent on concrete and masonry, 8 to 12 percent on framing lumber, and 10 to 15 percent on roofing and tile, depending on the cut pattern and roof geometry. On tight Perth Amboy lots with cut-up roof planes and small rooms, we lean toward the higher end and show the factor in the spreadsheet so you can adjust it if your crew's history differs.
Other New Jersey cities we cover
Popular services in Perth Amboy
Send your Perth Amboy project plans for a quote
Upload your drawings and specifications and we will return a CSI-organized takeoff with marked-up plan sets, typically within 24 to 48 hours.
- We review the set and check for missing sheets or addenda.
- You get a quote with a price and a delivery date.
- You approve and we start the takeoff.
- You receive the Excel estimate and marked-up plans.