Adams County property record for 129 S 4th Ave, Brighton, CO 80601
| Property Type | Commercial Office |
|---|---|
| Details | 1,958 sqft · built 1935 |
| Lot Size | 0.258 acres (11,250 sqft) |
| Owner | Company Name on Record |
| Last Sale | $140,000 (Dec 1997) |
| Tax Bill | $5,749 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1569-07-2-10-016 |
| Primary APN | 1569-07-2-10-016 |
|---|---|
| Alternative APNs |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 1,958 sqft Gross Area |
| Upper Floors Area | 783 sqft |
| Basement Area | 783 sqft |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1935 |
| Fire Resistance | Wood or Wood & Steel Frame |
| Roof Type | Gable |
| Lot Area | 11,250 sqft (0.258 acres) |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Account Number | R0003946 |
|---|---|
| Street Address | 129 S 4TH AVE |
| City | BRIGHTON |
| State | CO |
| Zip | 80601-2031 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | SUB:WALNUT GROVE ADD BLK:17 LOT:33 - LOT:35 |
| Legal Range | 66W |
| Legal Township | 01S |
| Legal Section | 07 |
| Legal Quarter | 2 |
| Legal Subdivision | WALNUT GROVE ADD |
| Legal Block | 17 |
| Legal Lot Number | 33 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | BRIGHTON |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 8606 |
Source: Adams County records, as of April 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 339, BRIGHTON, CO 80601-0339 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 19, 1997 · Amount on Record |
| Deed Sale | Dec 19, 1997 · Amount on Record |
| Deed Document Number | 1997347312 |
| Deed Book / Page | 5187 / 669 |
| Record Updated | Oct 29, 2026 |
Source: Adams County assessment roll, as of January 21, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Adams County |
| Municipality | Brighton City |
| Unified School District | School District 27J (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,749.00 (-23.04%) | $94,490 (+25.57%) Land $29,530 Building $64,960 | $377,955 (+40.14%) Land $118,125 Building $259,830 |
| 2024 | $7,470.00 (-9.63%) | ||
| 2023 | $8,266.00 (-25.16%) | $75,250 (-25.17%) Land $21,970 Building $53,280 | $269,700 (-22.22%) Land $78,750 Building $190,950 |
| 2022 | $11,045.00 | $100,560 Land $42,420 Building $58,140 | $346,725 Land $146,250 Building $200,475 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF BRIGHTON serves 56,304 people · EPA ID CO0101025 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | May 2025 |
| Lead | 2 ppb (2023) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Apr 2023 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 509 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 8,000 / 8,000 |
| Allo Communications Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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