# Building permits at 3900 Orange Ct, Boulder, CO

31 permits on record here. The newest, Jul 17: New 2 zone mini split heat pump with electrical X2 PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Jul 17, 2026 | Mechanical (HVAC) | New 2 zone mini split heat pump with electrical X2 PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure t | $24,250 | [MEC2026-01041](https://nearbypermits.com/boulder/permit/MEC2026-01041/) |
| Apr 4, 2025 | Electrical | Rooftop PV system. 48.16kw DC, 39.1kw AC. Unirac flush mount racking. System is spread between 3 buildings and has two interconnection points. Note, address in city website is 3900 Orange ct, Utility address (on plans) is 3875 Broadway. These addresses describe the same property. 5/16/25 REVISION Re | $166,221 | [ELE2025-00097](https://nearbypermits.com/boulder/permit/ELE2025-00097/) |
| Aug 11, 2023 | Roofing | Total tear-off & reroof of SFD, 38 squares of dimensional shingles on a pitch represented as 7/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as tested in accordance w | $22,011 | [RFG2023-00412](https://nearbypermits.com/boulder/permit/RFG2023-00412/) |
| Aug 8, 2017 | Fire systems | FA - RADIO Installation of an AES 7788F Radio to monitor existing Silent Knight 5208 FA System. Jarrow Montessori School | $700 | [PMT2017-03043-FIR](https://nearbypermits.com/boulder/permit/PMT2017-03043-FIR/) |
| Dec 16, 2016 | New building | VOID-180 Days no activity New 100 sq.ft. shade structure. See ADR2016-00224 approval; Contactor is approved to do the project under a General Class C section (B) | $2,439 | [PMT2016-04634](https://nearbypermits.com/boulder/permit/PMT2016-04634/) |
| Aug 19, 2015 | Fire systems | Fs - sowl - add seven sprinklers in two buildings due to additions | $1,000 | [PMT2015-03502-FIR](https://nearbypermits.com/boulder/permit/PMT2015-03502-FIR/) |
| Jul 1, 2015 | Mechanical (HVAC) | Additions and remodel to Jarrow Montessori School. Additions to building "B" are 372 sq.ft. of finished space and 96 sq.ft. of entry porch. Remodel of building "B" is additional skylights of 45 sq.ft. Additions to building "D" is 242 sq.ft. of finished space and 71 sq.ft. of infill area. Scope of wo | $2,300 | [PMT2015-01951-MEC](https://nearbypermits.com/boulder/permit/PMT2015-01951-MEC/) |
| Jul 1, 2015 | Electrical | Additions and remodel to Jarrow Montessori School. Additions to building "B" are 372 sq.ft. of finished space and 96 sq.ft. of entry porch. Remodel of building "B" is additional skylights of 45 sq.ft. Additions to building "D" is 242 sq.ft. of finished space and 71 sq.ft. of infill area. Scope of wo | $7,000 | [PMT2015-01951-ELE](https://nearbypermits.com/boulder/permit/PMT2015-01951-ELE/) |
| Jul 1, 2015 | Addition | Additions and remodel to Jarrow Montessori School. Additions to building "B" are 372 sq.ft. of finished space and 96 sq.ft. of entry porch. Remodel of building "B" is additional skylights of 45 sq.ft. Additions to building "D" is 242 sq.ft. of finished space and 71 sq.ft. of infill area. Scope of wo | $204,000 | [PMT2015-01951](https://nearbypermits.com/boulder/permit/PMT2015-01951/) |
| Jun 5, 2015 | Demolition | Interior non-structural demolition associated with remodel work proposed in PMT2015-01951. | Not listed | [PMT2015-02218-DEM](https://nearbypermits.com/boulder/permit/PMT2015-02218-DEM/) |
| May 1, 2015 | New building | New shade structure at Jarrow Montessori School - Ref: ADR2014-00279 | $19,999 | [PMT2015-01241](https://nearbypermits.com/boulder/permit/PMT2015-01241/) |
| Nov 19, 2014 | Fire systems | Fa - radio (aes 7788f) | $500 | [PMT2014-05169-FIR](https://nearbypermits.com/boulder/permit/PMT2014-05169-FIR/) |
| Jul 30, 2014 | Sign | SIGN - "Jarrow Montessori School." Replacement of two existing free-standing, non-electric signs with two new free-standing, non-electric signs of identical size, but different shape. Signs will re-use existing posts. | $3,000 | [PMT2014-03443-SGN](https://nearbypermits.com/boulder/permit/PMT2014-03443-SGN/) |
| May 13, 2014 | Roofing | Classroom bldg. 10: Tear-off & reroof of school, 51 squares of asphalt shingles on a pitch represented as 5/12. Shingles to comply with ASTM D225 or D3462 and D3161 Class F. Wrappers shall bear a label demonstrating compliance with ASTM D 3161, Class F; or ASTM D 7158, Class G for east of Broadway o | $11,800 | [PMT2014-02160-RFG](https://nearbypermits.com/boulder/permit/PMT2014-02160-RFG/) |
| Jul 24, 2013 | Roofing | Classrooms 7 & 8: Total tear off and reroof with 40 squares of Owens Corning Duration shingles on roof pitch represented as 4:12. | $13,200 | [PMT2013-03492-RFG](https://nearbypermits.com/boulder/permit/PMT2013-03492-RFG/) |
| Jul 24, 2013 | Roofing | Classrooms 5 & 6: Total tear off and reroof with 28 squares of Owens Corning Duration shingles on roof pitch represented as 4:12. | $7,026 | [PMT2013-03491-RFG](https://nearbypermits.com/boulder/permit/PMT2013-03491-RFG/) |
| Jul 12, 2013 | Fence, wall or deck | Installation of 248' of cedar fence, 6'-0" in height, along south and east property lines. Installation of 262' of ornamental steel fence, 6'-0" in height, along north boundary with parking lot and along west boundary with parking lot. | $14,000 | [PMT2013-03261-FEN](https://nearbypermits.com/boulder/permit/PMT2013-03261-FEN/) |
| Nov 21, 2012 | Fire systems | Install new backflow preventer | $1,972 | [PMT2012-05620-FIR](https://nearbypermits.com/boulder/permit/PMT2012-05620-FIR/) |
| Nov 21, 2012 | Fire systems | Install new backflow preventer | $2,013 | [PMT2012-05619-FIR](https://nearbypermits.com/boulder/permit/PMT2012-05619-FIR/) |
| Nov 21, 2012 | Fire systems | Add 4 inch backflow preventer to existing system | $4,496 | [PMT2012-05611-FIR](https://nearbypermits.com/boulder/permit/PMT2012-05611-FIR/) |
| Nov 21, 2012 | Fire systems | Add 2 inch backflow preventer to existing sprinkler system | $2,091 | [PMT2012-05610-FIR](https://nearbypermits.com/boulder/permit/PMT2012-05610-FIR/) |
| Jul 2, 2010 | Roofing | Total tear off and reroof of existing toddler building (15.33 squares) and cottage building (5 squares). Tamko 30-yr shingles, 20.33 squares, 5/12 pitch as indicated on permit application. | $5,711 | [PMT2010-02652-RFG](https://nearbypermits.com/boulder/permit/PMT2010-02652-RFG/) |
| Aug 23, 2007 | Sign | Proposed installation of two signs -- one a replacement sign, one new, for "JARROW MONTESSORI SCHOOL." | $1,500 | [PMT2007-03497-SGN](https://nearbypermits.com/boulder/permit/PMT2007-03497-SGN/) |
| Oct 12, 2000 | Mechanical (HVAC) | Replace a water heater. | $523 | [PMT2000-04030-MEC](https://nearbypermits.com/boulder/permit/PMT2000-04030-MEC/) |
| Dec 8, 1999 | Alteration or repair | Erect a tuff shed after the fact no double fee the original general permit num | $850 | [PMT1999-08864](https://nearbypermits.com/boulder/permit/PMT1999-08864/) |
| Aug 24, 1999 | Electrical | Electrical electrical wiring in new room | $1,800 | [PMT1999-06703-ELE](https://nearbypermits.com/boulder/permit/PMT1999-06703-ELE/) |
| Aug 24, 1999 | Alteration or repair | Addition of interior piano practice room the original general permit number is | $1,800 | [PMT1999-06700](https://nearbypermits.com/boulder/permit/PMT1999-06700/) |
| Apr 8, 1996 | Alteration or repair | Landscaping/paving/5 parking spots the original general permit number is 96210 | $6,500 | [PMT1996-02106](https://nearbypermits.com/boulder/permit/PMT1996-02106/) |
| Apr 8, 1996 | New building | New 2 story building to replace 2 demolished class the original general permit | $278,000 | [PMT1996-02104](https://nearbypermits.com/boulder/permit/PMT1996-02104/) |
| Jun 27, 1990 | Roofing | Roofing replace joists & rafters | $6,750 | [PMT1990-R1243-RFG](https://nearbypermits.com/boulder/permit/PMT1990-R1243-RFG/) |
| Dec 10, 1987 | Sign | Sign non electric sign | $480 | [PMT1987-M5590-SGN](https://nearbypermits.com/boulder/permit/PMT1987-M5590-SGN/) |

## More on this street

Other addresses on Orange Ct with permits, nearest house number first:

- [3925 Orange Ct](https://nearbypermits.com/boulder/address/3925-orange-ct/): newest permit Aug 18, 2026
- [3820 Orange Ct](https://nearbypermits.com/boulder/address/3820-orange-ct/): newest permit Jun 24, 2026
- [1035 Orange Ct](https://nearbypermits.com/boulder/address/1035-orange-ct/): newest permit Apr 23, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 20:33 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 31 permits at this address: https://nearbypermits.com/boulder/address/3900-orange-ct/
