COMPANY RECORD · BOULDER, CO
James W Lyon Contracting — permit history in Boulder, CO
James W Lyon Contracting appears on 57 Boulder permit records from 2015 through 2026, most often general construction (61.4% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| General construction | 35 | 61.4% |
| Electrical | 9 | 15.8% |
| Plumbing | 7 | 12.3% |
| Mechanical / HVAC | 6 | 10.5% |
4 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 12 |
| 2018 | 13 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Busiest year on record: 2018, with 13 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 |
|---|---|
| 911 LINCOLN PL | 2026-06-24 |
| 2440 KENWOOD DR | 2026-02-04 |
| 4778 MCKINLEY DR | 2025-01-17 |
| 1860 WALNUT ST 3 | 2024-10-24 |
| 2211 6TH ST | 2024-07-31 |
| 2820 ILIFF ST | 2024-04-08 |
| 4734 16TH ST | 2023-05-25 |
| 830 13TH ST | 2022-01-10 |
| 3255 OURAY ST | 2021-09-09 |
| 1517 HARRISON AVE | 2021-06-08 |
| 3860 DARLEY AVE | 2021-05-20 |
| 74 BENTHAVEN PL | 2021-04-07 |
| 2968 EAGLE WAY | 2020-12-03 |
| 3690 DARLEY AVE | 2020-09-23 |
29 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $6,000,300, median $6,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
57 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| BLD-SFD2026-00188 | 2026-06-24 | General construction | 911 LINCOLN PL | **7/29/2026- Revision to extend DWV for the laundry to the existing sewer line, to provide frost protection for the laundry DWV and replace two existing windows and replace one sli | $38,000 |
| BLD-SFD2025-00553 | 2026-02-04 | General construction | 2440 KENWOOD DR | Remodel existing lower level. Replace windows and door, update the plumbing and the bathroom, frame additional walls and update finishes. | $80,000 |
| BLD-SFD2024-00414 | 2025-01-17 | General construction | 4778 MCKINLEY DR | Remodel of 865 sf of interior spaces at main level and basement. | $90,000 |
| BLD-MFD2024-00056 | 2024-10-24 | General construction | 1860 WALNUT ST 3 | **VOID-Inspections not completed within 180 days** Remodel kitchen, bathroom, and laundry in a multi-family condo unit. | $62,000 |
| BLD-ACC2024-00035 | 2024-07-31 | General construction | 2211 6TH ST | Conversion of existing attic space over 1910 historic detached garage into ADU with dormer additions at N + S elevs. Landmarks Approval: HIS2023-00231. ***REVISION 6/5/25***Change | $150,000 |
| BLD-SFD2023-00066 | 2024-04-08 | General construction | 2820 ILIFF ST | **12/4/24 Changing location of windows and doors. Changing roof framing from truss roof to stick framed roof** Construction of a sun room addition to a single family detached dwell | $55,750 |
| BLD-SFD2023-00198 | 2023-10-09 | General construction | 2440 KENWOOD DR | *Voided for inactivity - no inspections within 180 days* Interior renovation at main level of 850 sf of existing kitchen/den with a vaulted ceiling, and bathrooms. Replacement of | $248,000 |
| BLD-SFA2022-00052 | 2023-05-25 | General construction | 4734 16TH ST | Alter existing finished basement to add one bathroom. | $15,000 |
| BLD-SFD2021-00533 | 2022-01-10 | General construction | 830 13TH ST | *Voided for inactivity - no inspections within 180 days* Remove structural wall and install a beam, remodel kitchen and bathroom | $74,000 |
| PLB2021-00659 | 2022-01-10 | Plumbing | 830 13TH ST | *Voided for inactivity - no inspections within 180 days* Relocation of plumbing fixtures: Remove structural wall and install a beam, remodel kitchen and bathroom | $3,000 |
| MEC2021-01970 | 2022-01-10 | Mechanical / HVAC | 830 13TH ST | *Voided for inactivity - no inspections within 180 days* Remove structural wall and install a beam, remodel kitchen and bathroom | $1,800 |
| ELE2021-01580 | 2022-01-10 | Electrical | 830 13TH ST | *Voided for inactivity - no inspections within 180 days* Rewiring 350 sqft: Remove structural wall and install a beam, remodel kitchen and bathroom | $4,500 |
| BLD-SFD2021-00400 | 2021-12-08 | General construction | 2820 ILIFF ST | Addition of a rear covered patio for a single family detached dwelling. Associated with ENF2021-00047. | $28,000 |
| BLD-SFD2021-00423 | 2021-09-09 | General construction | 3255 OURAY ST | *Voided for inactivity - no inspections within 180 days* Remodel 2 existing second floor bathrooms, 2 existing bedrooms, and 1 existing laundry room. Unit is part of a duplex (si | $57,000 |
| MEC2021-01046 | 2021-06-08 | Mechanical / HVAC | 1517 HARRISON AVE | *Voided for inactivity* Replace insert with gas fireplace. Heat-N-Glo Model SL-7x | $5,100 |
| BLD-SFD2021-00213 | 2021-05-20 | General construction | 3860 DARLEY AVE | Create a finished bedroom in the basement and remodel existing bathroom. ***9/27/2021 Revised scope of work to delete creation of bedroom in basement. | $12,500 |
| BLD-SFA2021-00001 | 2021-04-30 | General construction | 1517 HARRISON AVE | Remodel small bathroom, master bathroom, and kitchen. Replace both fixtures, convert tub to shower. Relocate kitchen fixtures. Reference FLD2021-00006. | $41,000 |
| BLD-TWN2021-00005 | 2021-04-07 | General construction | 74 BENTHAVEN PL | Replace interior railing between first and second floor. No plans included. | $5,500 |
| BLD-TWN2020-00022 | 2020-12-03 | General construction | 2968 EAGLE WAY | *Add a bathroom with shower sink and toilet to the second floor. | $22,500 |
| BLD-SFD2020-00384 | 2020-09-23 | General construction | 3690 DARLEY AVE | *Voided for inactivity - no inspections within 180 days* *Remodel an existing bathroom, remove an existing toilet, add a sink, and replace the existing tub/shower fixtures. | $12,500 |
| BLD-SFD2020-00183 | 2020-07-23 | General construction | 62 MINEOLA CT | *Voided for inactivity - no inspections within 180 days* * 120 SF kitchen remodel. | $11,750 |
| MEC2019-01791 | 2019-10-24 | Mechanical / HVAC | 3860 DARLEY AVE | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Partial basement finish to add two bedrooms in existing basement footprint, and convert existing | $1,500 |
| ELE2019-01630 | 2019-10-24 | Electrical | 3860 DARLEY AVE | Partial basement finish to add two bedrooms in existing basement footprint, and convert existing storage into master bedroom, approximately 480 sf of work area. Additional scope of | $1,500 |
| BLD-SFD2019-00521 | 2019-10-24 | General construction | 3860 DARLEY AVE | *Voided for inactivity - no inspections within 180 days* Partial basement finish to add two bedrooms in existing basement footprint, and convert existing storage into master bedr | $28,978 |
| BLD-SFD2019-00185 | 2019-04-26 | General construction | 3860 DARLEY AVE | *Voided for inactivity - no inspections within 180 days* Small interior remodel for a single family dwelling to remove approximately 30 feet of non-bearing interior partitions to | $16,000 |
| BLD-SFD2018-00303 | 2018-10-19 | General construction | 2466 VINEYARD PL | VOID- 180 Days no activity New construction of a 12 x 14 deck (replacing existing). Deck height not to exceed 30 inches in height. | $5,500 |
| BLD-SFA2018-00013 | 2018-06-14 | General construction | 73 BENTHAVEN PL | *Voided for inactivity - no inspections within 180 days* Conversion of an existing closet with an existing sink to a full bath (shower/tub combo, toilet, and replacement of exist | $5,850 |
| PMT2018-01265-ELE | 2018-03-30 | Electrical | 2928 7TH ST | Refinish of basement in a single family detached dwelling that had experienced mold damage. Scope includes new insulation, drywall, and replacement of finishes for two bedrooms, | $0 |
| PMT2018-01265 | 2018-03-30 | General construction | 2928 7TH ST | Refinish of basement in a single family detached dwelling that had experienced mold damage. Scope includes new insulation, drywall, and replacement of finishes for two bedrooms, | $38,000 |
| PMT2018-01265-MEC | 2018-03-30 | Mechanical / HVAC | 2928 7TH ST | Refinish of basement in a single family detached dwelling that had experienced mold damage. Scope includes new insulation, drywall, and replacement of finishes for two bedrooms, | $1,000 |
| PMT2018-01265-PLB | 2018-03-30 | Plumbing | 2928 7TH ST | Refinish of basement in a single family detached dwelling that had experienced mold damage. Scope includes new insulation, drywall, and replacement of finishes for two bedrooms, | $6,000,300 |
| PMT2018-00870 | 2018-03-07 | General construction | 1495 REDWOOD AV | Basement finish of single-family detached home to include framing knee walls around entirey of basement with insulation. Scope also includes relocation of washer dryer with new duc | $31,458 |
| PMT2018-00870-ELE | 2018-03-07 | Electrical | 1495 REDWOOD AV | Basement finish of single-family detached home to include framing knee walls around entirey of basement with insulation. Scope also includes relocation of washer dryer with new duc | $600 |
| PMT2018-00870-MEC | 2018-03-07 | Mechanical / HVAC | 1495 REDWOOD AV | Basement finish of single-family detached home to include framing knee walls around entirey of basement with insulation. Scope also includes relocation of washer dryer with new duc | $250 |
| PMT2018-00870-PLB | 2018-03-07 | Plumbing | 1495 REDWOOD AV | Basement finish of single-family detached home to include framing knee walls around entirey of basement with insulation. Scope also includes relocation of washer dryer with new duc | $800 |
| PMT2018-00568 | 2018-02-13 | General construction | 1495 REDWOOD AV | Kitchen remodel for a single family detached dwelling. Scope includes the removal of interior non-bearing walls, and relocation of sink and refrigerator. **Scope change (3/7/18) t | $15,095 |
| PMT2018-00568-PLB | 2018-02-13 | Plumbing | 1495 REDWOOD AV | Kitchen remodel for a single family detached dwelling. Scope includes the removal of interior non-bearing walls, and relocation of sink and refrigerator. **Scope change (3/7/18) t | $4,800 |
| PMT2018-00568-ELE | 2018-02-13 | Electrical | 1495 REDWOOD AV | Kitchen remodel for a single family detached dwelling. Scope includes the removal of interior non-bearing walls, and relocation of sink and refrigerator. **Scope change (3/7/18) t | $2,500 |
| PMT2017-05333 | 2017-12-04 | General construction | 4604 S HAMPTON CR | Addition to an existing rear deck (360 sqft). Building coverage with deck to be approximately 3061 sqft (under the 30 % maximum). | $9,900 |
| PMT2017-03540 | 2017-08-18 | General construction | 140 IROQUOIS DR | Permit for reframing of existing front entry roof on a single family detached dwelling. Roof changes from shed to gable design, | $5,500 |
| PMT2017-03541 | 2017-08-18 | General construction | 2860 17TH ST | Kitchen remodel for a single family detached dwelling. Scope includes replacement of two windows in existing openings and repalcement of an interior bearing wall with an LVL dropp | $13,939 |
| PMT2017-03541-ELE | 2017-08-18 | Electrical | 2860 17TH ST | Kitchen remodel for a single family detached dwelling. Scope includes replacement of two windows in existing openings and repalcement of an interior bearing wall with an LVL dropp | $2,500 |
| PMT2017-03541-PLB | 2017-08-18 | Plumbing | 2860 17TH ST | Kitchen remodel for a single family detached dwelling. Scope includes replacement of two windows in existing openings and repalcement of an interior bearing wall with an LVL dropp | $3,000 |
| PMT2017-03313 | 2017-08-07 | General construction | 4504 S HAMPTON CR | Extension of existing rear deck for a single family detached dwelling. Additional coverage of the deck extension is 284 sqft. | $6,336 |
| PMT2017-02778 | 2017-07-21 | General construction | 1840 LEHIGH ST | Increase in the height of the family room only. Plan include scope of work for PMT2017-01660. See highlighted scope of work. See ADR2017-00119 for administrative solar exception. | $33,500 |
| PMT2017-02543 | 2017-06-12 | General construction | 712 LOCUST AV | Permit to create a new window opening in living room on main floor of a single family dwelling. | $2,800 |
| PMT2017-01660-PLB | 2017-04-24 | Plumbing | 1840 LEHIGH ST | Interior remodel of an existing single family residence. Scope to include remodel of master bath and study area on second/top level to reconfigure space, add WIC and laundry, and u | $6,000 |
| PMT2017-01660-ELE | 2017-04-24 | Electrical | 1840 LEHIGH ST | Interior remodel of an existing single family residence. Scope to include remodel of master bath and study area on second/top level to reconfigure space, add WIC and laundry, and u | $900 |
| PMT2017-01660-MEC | 2017-04-24 | Mechanical / HVAC | 1840 LEHIGH ST | Interior remodel of an existing single family residence. Scope to include remodel of master bath and study area on second/top level to reconfigure space, add WIC and laundry, and u | $1,100 |
| PMT2017-01660 | 2017-04-24 | General construction | 1840 LEHIGH ST | Interior remodel of an existing single family residence. Scope to include remodel of master bath and study area on second/top level to reconfigure space, add WIC and laundry, and u | $13,068 |
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 →