COMPANY RECORD · BOULDER, CO
Hammerwell Incorporated — permit history in Boulder, CO
Hammerwell Incorporated appears on 28 Boulder permit records from 2015 through 2026, most often general construction (64.3% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| General construction | 18 | 64.3% |
| Electrical | 5 | 17.9% |
| Mechanical / HVAC | 3 | 10.7% |
| Demolition | 1 | 3.6% |
| Plumbing | 1 | 3.6% |
5 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2015 | 5 |
| 2017 | 3 |
| 2018 | 1 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 7 |
Busiest year on record: 2026, with 7 permits. One project can account for several filings, so read this as filing activity rather than workload.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 2945 LAFAYETTE DR | 2026-08-13 |
| 918 JUNIPER AVE | 2026-06-04 |
| 4041 HANOVER AVE | 2026-06-04 |
| 1330 MARIPOSA AVE | 2026-05-07 |
| 2323 4TH ST | 2026-01-21 |
| 3355 VISTA DR | 2026-01-08 |
| 2860 4TH ST | 2024-09-20 |
| 305 HOLLYBERRY LN | 2024-05-08 |
| 475 COLLEGE AVE | 2022-01-04 |
| 3718 SPRING VALLEY RD | 2021-11-04 |
| 3663 4TH ST | 2020-10-02 |
| 1765 SUNSET BLVD | 2020-02-27 |
| 4435 CHIPPEWA DR | 2018-05-04 |
| 3769 MOUNTAIN LAUREL PL | 2017-12-14 |
17 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $5,263,221, median $75,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
28 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| DEM2026-00048 | 2026-08-13 | Demolition | 2945 LAFAYETTE DR | Full structure deconstruction of a single family residence, ranch with a finished walkout basement, 4,565sqft | $0 |
| ELE2026-00614 | 2026-06-04 | Electrical | 2945 LAFAYETTE DR | Temporary power for full home deconstruction and new build. Associated with DEM2026-00048. | $0 |
| ELE2026-00613 | 2026-06-04 | Electrical | 918 JUNIPER AVE | Temporary power for home deconstruction and new construction. Associated with DEM2026-00046 and BLD-SFD2026-00231 | $0 |
| BLD-NRE2026-00028 | 2026-06-04 | General construction | 4041 HANOVER AVE | **Revision 6/22/26 to interior lighting** Level 2 Alteration within an office building, including second level tenant improvement and miscellaneous finish upgrades for main and upp | $426,505 |
| BLD-SFD2026-00071 | 2026-05-07 | General construction | 1330 MARIPOSA AVE | The existing house at 1330 Mariposa Ave is a 1955, slab on grade, single level, 2640sf house with flat roofs. The project consists of a major interior remodel, including new / upgr | $2,000,000 |
| BLD-SFD2025-00420 | 2026-01-21 | General construction | 2323 4TH ST | Partial remodel of existing 3-story single-family residence. Proposed work includes the reconfiguration of an existing lower level bedroom and bathroom (355 sf) as well as the addi | $1,950,000 |
| BLD-ACC2025-00101 | 2026-01-08 | General construction | 3355 VISTA DR | Unenclosed pergola in the rear yard with < 50% coverage and electrical heating elements only. | $60,000 |
| BLD-ACC2025-00009 | 2025-07-17 | General construction | 3355 VISTA DR | New non-conditioned 80sf accessory structure to house pool mechanical equipment. | $720,000 |
| MEC2024-01750 | 2025-02-19 | Mechanical / HVAC | 3355 VISTA DR | Gas Outdoor Fireplace Gas Outdoor Grill | $30,000 |
| BLD-SFD2024-00251 | 2024-09-20 | General construction | 2860 4TH ST | ADDITION TO REAR OF EXISTING SINGLE FAMILY HOME. ADDITON IN LOCATION OF EXISTING DECK. | $300,000 |
| MEC2024-00523 | 2024-05-08 | Mechanical / HVAC | 305 HOLLYBERRY LN | ***Permit voided due to inactivity - no inspections within180 days*** Install Mini Split system in addition- Goes with GC Permit BLD-SFD2024-00018- this portion of mechanical was | $26,281 |
| BLD-SFD2024-00018 | 2024-04-15 | General construction | 305 HOLLYBERRY LN | Remodel of existing conditioned 137 SF Mudroom (including relocating existing washer and dryer) plus conversion of 110 SF unconditioned garage area into conditioned storage room / | $40,000 |
| BLD-SFD2021-00361 | 2022-01-04 | General construction | 475 COLLEGE AVE | Work to include new 383 sq ft. ground level front entry and garage connection addition, new 27 sq. ft. ground level bathroom addition, and new 270 sq ft bedroom addition. The exist | $550,000 |
| BLD-SFD2021-00364 | 2021-11-04 | General construction | 3718 SPRING VALLEY RD | The proposed project is a new 3-level single family residence where the lower level is primarily below-grade. The total area of the house is 6,895 sf. The upper level also features | $5,263,221 |
| BLD-SFD2020-00441 | 2020-12-11 | General construction | 2860 4TH ST | *Interior remodel for a single family detached dwelling. Main floor scope includes remodel/relocation of the half bath and creation of an office area. Scope in kitchen includes rem | $72,000 |
| BLD-ACC2018-00082 | 2020-10-02 | General construction | 3663 4TH ST | *Construction of a single story pool house with shower and changing room facilities for a single family residence. Scope is 215 sf of conditioned space, associated MEP. See annexat | $1,216,000 |
| BLD-ACC2019-00162 | 2020-02-27 | General construction | 1765 SUNSET BLVD | Construction of new in-ground pool and spa for a single family residence, approximately 10' x 60'. MEP under separate permit (other than pool equipment). Wood and composite deck to | $630,000 |
| BLD-ACC2019-00164 | 2020-02-21 | General construction | 1765 SUNSET BLVD | Construction of a new wood deck in the rear yard of a single family detached dwelling. Deck to be bisected by pool submitted under separate permit. | $47,000 |
| BLD-SFD2019-00356 | 2020-01-02 | General construction | 3663 4TH ST | Interior, structural remodel (931 sf) of kitchen and dining/ living area. Scope includes reconfiguration of walls, lowering floor by removing and replacing slab, adding two risers, | $355,900 |
| PMT2018-00324 | 2018-05-04 | General construction | 4435 CHIPPEWA DR | Construction of a new 2525 sqft one story single family dwelling over a crawl space with an attached garage. Scope to include an open living/dining/kitchen area, a studio, a maste | $498,900 |
| PMT2017-01765 | 2017-12-14 | General construction | 3769 MOUNTAIN LAUREL PL | Remodel and addition for a single family detached dwelling. Addition includes enclosing of existing upper deck for expansion of master bath and additon of balcony. Remodel to inc | $464,660 |
| PMT2017-03073-ELE | 2017-09-05 | Electrical | 1901 CENTRAL AV | New freestanding sign, "SEA TO SUMMIT," approximately 18'-8" tall, internally illuminated, steel welded frame. | $1,500 |
| PMT2017-00200 | 2017-02-24 | General construction | 434 MORRISON ALY | Remodel of approximately 280 sf on main and upper levels -- remove solid fuel burning device, install gas service and gas meter, installation of a fire-place insert, install gas-fi | $78,000 |
| PMT2015-03953 | 2015-12-30 | General construction | 2200 MARIPOSA AV | New two story single family detached dwelling over crawl space. Main level to include kitchen, dining and living rooms, entry, and two guest suites. Upper level to include master | $1,123,000 |
| PMT2015-03953-ELE | 2015-12-30 | Electrical | 2200 MARIPOSA AV | New two story single family detached dwelling over crawl space. Main level to include kitchen, dining and living rooms, entry, and two guest suites. Upper level to include master | $58,000 |
| PMT2015-03953-MEC | 2015-12-30 | Mechanical / HVAC | 2200 MARIPOSA AV | New two story single family detached dwelling over crawl space. Main level to include kitchen, dining and living rooms, entry, and two guest suites. Upper level to include master | $18,500 |
| PMT2015-03953-PLB | 2015-12-30 | Plumbing | 2200 MARIPOSA AV | New two story single family detached dwelling over crawl space. Main level to include kitchen, dining and living rooms, entry, and two guest suites. Upper level to include master | $50,500 |
| PMT2015-03813-ELE | 2015-09-02 | Electrical | 2200 MARIPOSA AV | Temporary construction power (only one meter permitted onsite). | $0 |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Source and limits
Public Boulder permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →