Boulder County property record for 4131 Amber St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 1,446 sqft · built 1986 |
| Lot Size | 0.086 acres (3,754 sqft) |
| Owner | Trust Name on File |
| Last Sale | $750,000 (Jul 2020) |
| Tax Bill | $5,465 (2025) |
| Deeds & Mortgages | Aug 2020 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-17-3-22-005 |
| Primary APN | 1463-17-3-22-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,446 sqft Living Area |
| Gross Area | 1,674 sqft |
| 1st Floor Area | 806 sqft |
| Upper Floors Area | 640 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 3,754 sqft (0.086 acres) |
| Garage Type | Attached |
| Garage Area | 228 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 184 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0104039 |
|---|---|
| Street Address | 4131 AMBER ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-0957 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 44 SUNDANCE 2 & UND 1/70 INT OUTLOTS A-F & AA SUNDANCE 1 & OUTLOTS A-C SUNDANCE 2 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 17 |
| Legal Subdivision | SUNDANCE 2 (BOULDER) - BO |
| Legal Block | 3 |
| Legal Lot Number | 44 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 12103 |
4131 Amber St is held in a trust since July 2020.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 584 CASTRO ST, SAN FRANCISCO, CA 94114-2512 |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 30, 2020 · Amount on File |
| Deed Sale | Jul 30, 2020 · Amount on File |
| Prior Sale | Jul 8, 2013 · Amount on File |
| Deed Document Number | 20203802390 |
| Prior Transfer Date | Jul 27, 2020 |
| Prior Transfer Doc | 0003805196 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 7, 2020 |
| Property Address | 4131 AMBER ST, BOULDER, CO 80304-0957 |
| Document Number | 0003805196 |
| Instrument Date | Jul 27, 2020 |
| Instrument | 3805196 |
| Transaction Type | Transfer |
| Record Updated | Sep 24, 2020 |
| Title Company | STEWART TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $13.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 584 CASTRO ST SAN FRANCISCO CA 941142512, SAN FRANCISCO, CA 94114-2512 |
The 2025 property tax bill for 4131 Amber St was $5,465.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $57,603 (+0.5%) Land $19,054 Building $38,549 | $917,100 (-) Land $350,200 Building $566,900 | |
| 2025 | $5,465.00 | $57,319 Land $21,888 Building $35,431 | $917,100 Land $350,200 Building $566,900 |
| 2023 | $5,318.00 (+18.57%) | $65,271 (+35.13%) Land $22,512 Building $42,759 | $974,200 (+40.17%) Land $336,000 Building $638,200 |
| 2022 | $4,485.00 | $48,303 Land $20,322 Building $27,981 | $695,000 Land $292,400 Building $402,600 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 4131 Amber St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 28 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 58 units insured incl. 30 condo units |
| Nearby Flood Claims | 18 (1995–2022) |
| Claims Outside the SFHA | 9 of 18 |
| Most Recent Claim | Oct 2022 · rainfall accumulation |
| Claims by Event |
|
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.
Wildfire risk around 4131 Amber St is moderate, ranking above 43% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 43% of the US · lower than 73% of Colorado |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Direct burnable vegetation |
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 BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 341 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
May also be available: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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