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Thornton, CO remodel permits this week

34 remodel permits issued in Thornton, CO in the last 14 days.

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Latest permits

11220 MADISON ST, THORNTON, 80233

2026-10-23 · $15,000

Siding replacement - 14 sq James Hardie siding Residential Alteration Siding

Look up permit PRRALT202605665

9551 CIVIC CENTER DR, THORNTON, 80229

2026-10-23 · $10,000

This project is to replace the countertop at the front desk. They currently have a Formica top that is falling apart. They would also like to add 3 cabinets and a countertop, along a wall, behind the front desk – a built

Look up permit PRCALT202604734

11154 FOREST AVE, THORNTON, 80233

2026-10-23 · $8,000 · AEONIC GARAGE DOOR AND SERVICE

New siding to my home Residential Alteration Siding

Look up permit PRRALT202605626

3364 E 115TH AVE, THORNTON, 80233

2026-10-23 · $5,919

R&R 1 patio door with no structural change. Residential Alteration Window/Door Replacement

Look up permit PRRALT202605659

3179 E 133RD AVE, THORNTON, 80241

2026-10-23 · $5,900

panel upgrade, existing panel was 150A underground service feed. Upgrading to 200A main electrical panel. Electrical Electrical Service New/Alteration

Look up permit PREL202605652

1771 E 88TH AVE, THORNTON, 80229

2026-10-22 · $22,500

Previous home owner demolished a bedroom that we will re-build, non-structural framing, and re-install electrical devices per code. Rewire electrical for stackable washer/dryer. Residential Alteration Interior/Exterior R

Look up permit PRRALT202605097

7759 SPRUCE CT, THORNTON, 80602

2026-10-22 · $10,000

Bathroom Remodel Residential Alteration Interior/Exterior Remodel

Look up permit PRRALT202605043

3659 E 134TH DR, THORNTON, 80241

2026-10-22 · $9,640

Replace 6 windows (same size/location). U-factor 0.27. SHGC 0.20, 0.21, 0.22. No structural changes. Residential Alteration Window/Door Replacement

Look up permit PRRALT202605567

12976 BIRCH DR, THORNTON, 80241

2026-10-21 · $16,000

Remove & replace (14) windows, like for like sizes, NO structural changes. Residential Alteration Window/Door Replacement

Look up permit PRRALT202605571

3525 E 143RD AVE, THORNTON, 80602

2026-10-20 · $65,000

Finish basement with one bedroom, bathroom, and living area Residential Alteration Basement Finish

Look up permit PRRALT202605700

4020 E 94TH AVE UNIT B, THORNTON, 80229

2026-10-20 · $21,011

R&R 9 existing windows with no structural change. Residential Alteration Window/Door Replacement

Look up permit PRRALT202605553

6394 E 141ST AVE, THORNTON, 80602

2026-10-20 · $16,000

Basement finishing to include one bedroom, one bathroom, and common area. Residential Alteration Basement Finish

Look up permit PRRALT202605558

10512 BIRCH ST, THORNTON, 80233

2026-10-20 · $9,330

Replacing 1 door size for size. U factor will be .30 or better Residential Alteration Window/Door Replacement

Look up permit PRRALT202605588

1965 E 102ND CIR, THORNTON, 80229

2026-10-20 · $8,943

Service change 200 amp underground service Electrical Electrical Service New/Alteration

Look up permit PREL202605711

13572 GARFIELD WAY, THORNTON, 80241

2026-10-20 · $8,920

Service change 200 amp underground service Electrical Electrical Service New/Alteration

Look up permit PREL202605750

12901 CLARKSON CIR, THORNTON, 80241

2026-10-20 · $7,260

replacing 6 like for like vinyl windows u factor of .30 or better Residential Alteration Window/Door Replacement

Look up permit PRRALT202605609

1950 W 100TH PL, THORNTON, 80260

2026-10-20 · $7,000

Garage wall needs to be reframed, insulated and exterior brick work replaced. Residential Alteration Interior/Exterior Remodel

Look up permit PRRALT202604964

3251 E 103RD PL UNIT 1102, THORNTON, 80229

2026-10-20 · $6,739

Replacing 2 windows like for like. u factor will be .30 or better Residential Alteration Window/Door Replacement

Look up permit PRRALT202605586

13443 CLAYTON ST, THORNTON, 80241

2026-10-20 · $2,784

Replacing 1 window with no change to the structure. Residential Alteration Window/Door Replacement

Look up permit PRRALT202605594

9230 RACE ST, THORNTON, 80229

2026-10-20 · $1,900

200A Overhead Service Upgrade Electrical Electrical Service New/Alteration

Look up permit PREL202605320

13292 COLUMBINE CT, THORNTON, 80241

2026-10-20 · $1,740

Replacement of 2 Like-for-like windows Residential Alteration Window/Door Replacement

Look up permit PRRALT202605616

13440 MILWAUKEE CT, THORNTON, 80241

2026-10-19 · $5,750

Turnkey replacement of the interior potable hot and cold Type-M Pitting Copper Piping with PEX Piping on a like-for-like basis (whole home). No fixture quantities, types, or locations will be changed. Plumbing Plumbing S

Look up permit PRPL202605575

13663 LINDEN CT, THORNTON, 80602

2026-10-19 · $4,750

Turnkey replacement of the interior potable hot and cold Type-M Pitting Copper Piping with PEX piping on a like-for-like basis (whole house Replumb). No fixture quantities, types, or locations will be changed. Plumbing W

Look up permit PRPL202605576

11405 HUDSON ST, THORNTON, 80233

2026-10-19 · $2,500

200 amp service upgrade Electrical Electrical Service New/Alteration

Look up permit PREL202605653

771 THORNTON PKWY, THORNTON, 80229

2026-10-16 · $600,000

The project consists of an interior remodel of an existing Safeway grocery store within the current building footprint. No change of occupancy, use, or building height is proposed. Scope of work includes demolition and r

Look up permit PRCALT202602628

8426 PEARL ST, THORNTON, 80229

2026-10-16 · $13,943

TI for Boost Mobile **Per JN no GC required- ** Commercial Alteration Tenant Improvement

Look up permit PRCALT202602166

470 LEO LN, THORNTON, 80260

2026-10-16 · $3,075

Tub to shower conversion. Relocating valve from tub level to shower height. Residential Alteration Interior/Exterior Remodel

Look up permit PRRALT202605451

9191 GRANT ST, THORNTON, 80229

2026-10-13 · $1,353,341

HCA HealthONE Mountain Ridge are looking to renovated their hospital lab that includes phasing and shifting of some internal staging areas. The total square footage of the scope in all phases comprises of 2534 sf on Leve

Look up permit PRCALT202601451

13953 IVY ST, THORNTON, 80602

2026-10-13 · $4,200

MPU for PREPV202605361 Electrical Electrical Service New/Alteration

Look up permit PREL202605532

10993 ELM DR, THORNTON, 80233

2026-10-12 · $150,000

Remove interior non-load bearing wall between kitchen and living room. Replace kitchen cabinets, appliances and add a kitchen island. Relocate refrigerator, dishwasher and oven. Residential Alteration Interior/Exterior R

Look up permit PRRALT202603936

8600 WASHINGTON ST, THORNTON, 80229

2026-10-12 · $31,874

Install 25 wall anchors per the engineering Residential Alteration Structural Repair

Look up permit PRRALT202605326

12264 GLENCOE ST, THORNTON, 80241

2026-10-12 · $10,585

Replacing 1 window and 1 door size for size. U factor will be .30 or better Residential Alteration Window/Door Replacement

Look up permit PRRALT202605488

12901 JOSEPHINE CT, THORNTON, 80241

2026-10-12 · $9,959

Replacing 3 windows size for size. u factor will be .30 or better Residential Alteration Window/Door Replacement

Look up permit PRRALT202605461

12910 SPRUCE ST, THORNTON, 80602

2026-10-12 · $3,500

demolition of existing tile in shower on walls and removal of plastic pan on floor. removal of existing tub and capping off water lines. Building a 5x8 wall and a 71"x8ft wall to build a closet in place of tub with an op

Look up permit PRRALT202604487