Alteration Residential
25 Carver St, Cambridge, MA 02138
- Contractor
- G&b Home Improvement
- Applicant
- Gilmar Barbosa
- Owner
- Not in source
- Architect
- Not in source
- Engineer
- Not in source
- Contractor license
- Not in source
- Building class
- Not in source
- Zoning district
- Not in source
- Lot area
- Not in source
- Year built
- Not in source
- Units (total)
- Not in source
- Units (residential)
- Not in source
- Units (commercial)
- Not in source
- Floor area
- Not in source
- Parcel APN
- 149-137
- Climate zone (IECC)
- 5A
- Roof area (est.)
- Not derivable — no building-size signal for this permit
- HVAC tonnage (est.)
- Not derivable — no building-size signal for this permit
- Building type
- R
- Building subtype
- One or Two Family Dwelling
- Coordinates
- 42.3821, -71.1129
- Geocode confidence
- 100%
- Geocode source
- Not in source
- Issued
- Jul 23, 2019
- Applied
- May 14, 2019
- Work class
- Residential
Source description
- Dumpster & DisposalDisposal of all debris from siteWe obtain our own DumpsterDemolitionRemoval of interior walls (per plans)Remove all existing windows and dispose of itRemove all drywalls, insulation, flooring from basement to third-floor & dispose of it(The entrance will remain as is)Demo the Entire kitchen & bathrooms dispose of it existing materialKeep the existing stairs as isDemo all 3 rear decks- Excavation & FoundationRear Addition & Existing Basement: Excavate all surfaces to the proper depth in accordance to plans. Dig footings to code and fill in accordance to the Architect’s specifications. Pour footing to code and plans. Prepare all new walls to proper width in accordance to plans and Architect’s specifications. Install #6 Rebar at locations specified and in accordance to specifications. Pour all concrete walls and footings to code and in accordance to plans. Level and compact all pre-slab surface areas prior to pouring cement. Install anchor bolts per code and in accordance to Architect’s plans. Install concrete under pin around of the entire existing foundation to bring the basement ceiling Height to 8ft. 3 egress windows will be built a concrete footing, build sand block walls and finish with concrete stucco. Install sonotube concrete footing for the exterior stairs.- FramingConstruct New 2 x 4 or 2 x 6 walls and openings (per plans)Includes all windows and door openings (per plan)Includes all floor joists, LVL’s, ceiling and roof rafters (per plans)Install steel beams and steel post as drowned on plan(Email Received 4/22/2019 /Plan - 12/18/2018)- Roof - New Addition OnlyInstall rubber roofInstall drip edge (metal)- SidingInstall new wood siding on the new additionPatch where is necessaryInstall new exterior trims for all new windows- ElectricalElectrical new wiring, outlets and switches to code (per plans)Lighting Fixtures to be supplied by homeownerInstall recess light by code (per plan) Contractor will provideFire / Smoke / Carbon Monoxide (per code)Upgrade the 2 unites panel to 200ampKitchen exhaust will be provided by the owner and installed by the contractorInstall Bathroom FansInstall an intercom system for all 2 unitsInstall a Fire alarm system connecting with the fire departmentWith all paper work- PlumbingBathrooms by plansInstall all wrought plumbing and finish for all bathroomsKitchens - 2 fullInstall all wrought plumbing and finish for both kitchenLaundry - 2Install all wrought plumbing and finish for both laundryInstall a tank-less water heater for both unitsInstall plumbing Fixtures- Heating & CoolingInstall new FHA HVAC System and duct work for both units (per plans and specs)- Insulation (Spray Foam) To Code per planInstall vapor barrierApply open cell spray foam on roof (R38)Apply open cell spray foam on exterior walls (R23)Apply close cell spray foam on basement foundation walls (R23)- Blue Board and PlasteringInstall 1/2" blue board on walls and ceilingApply a coat of plastering on all walls and ceiling- Finish WorkInstall: Kitchen Cabinets, Medicine Cabinets, and vanitiesInstall doors and windows with trimsInstall interior doors contractors will provideInstall all door hardware sets (per plans) TBDInstall Chrome hanging rod & painted wood shelfInstall BaseboardsFinish the new set of stairs on the new additionInstall pocket doors- FlooringInstall tile on: bathroom floors, mudroom, around the tub, stand-up shower, kitchen backsplashInstall dricore and unfinished read oak hardwood floor on basementInstall unfinished read oak hardwood floor on first floor to third floorSand and Apply two coats of polyurethane from basement to third-floorSand and Apply two coats of polyurethane on existing stairs of all units- Paint (exterior)Apply one coat of prime on new addition and exterior window trimsApply two coats of paint on new addition and exterior window trims- Paint (interior)Apply one coat of prime on walls, ceiling, interior door & window trims, baseboardsApply two coats of paint on walls, ceiling, interior door & window trims, baseboards
- Current status
- issued
- Source status
- Active
- First seen by PermitCore
- May 18, 2026 · 16:16 UTC
- Last seen
- Aug 6, 2026 · 11:30 UTC
- Last changed
- May 18, 2026 · 16:16 UTC
0 of 12 data-quality rules flagged anything on this permit.
Checks not flagged
- Geocode out of bounds
- Geocode is sentinel
- Issued date in the future
- Issued date parse bug
- Issued date is placeholder
- Commercial units is placeholder
- Residential units out of bounds
- Residential units is placeholder
- Total units out of bounds
- Total units is placeholder
- Valuation out of bounds
- Valuation is placeholder
- Jul 23, 2019This permitAlteration Residential · Issued$669,800G&b Home Improvement
- Jun 26, 2019cambridge_aa_49820Alteration Residential · Finaled$15,000G&b Home Improvement
Full permit history at this parcel · as of Jul 8, 2026.
Developer details
- Permit #
- cambridge_aa_46862
- Canonical ID
- 309:cambridge_aa_46862
- Source permit ID
- cambridge_aa_46862