Boulder County property record for 3900 Britting Ave, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,478 sqft · built 1961 |
| Lot Size | 0.249 acres (10,856 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $840,000 (Oct 2020) |
| Tax Bill | $9,062 (2025) |
| Deeds & Mortgages | Oct 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-1-14-002 |
| Primary APN | 1577-08-1-14-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 3,478 sqft Living Area |
| Gross Area | 4,003 sqft |
| 1st Floor Area | 1,739 sqft |
| Basement Area | 1,739 sqft |
| Finished Basement | 1,091 sqft |
| Unfinished Basement | 648 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 10,856 sqft (0.249 acres) |
| Garage Type | Attached |
| Garage Area | 525 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 194 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0013638 |
|---|---|
| Street Address | 3900 BRITTING AVE |
| City | BOULDER |
| State | CO |
| Zip | 80305-6509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 BLK 4 MOUNTAIN TERRACE |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 08 |
| Legal Subdivision | MOUNTAIN TERRACE - BO |
| Legal Block | 4 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 12509 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 3900 BRITTING AVE, BOULDER, CO 80305-6509 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 20, 2020 · Amount on Record |
| Deed Sale | Oct 20, 2020 · Amount on Record |
| Deed Document Number | 20203825452 |
| Prior Transfer Date | Nov 29, 2006 |
| Prior Transfer Doc | 0002821286 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Oct 20, 2020 |
| Property Address | 3900 BRITTING AVE, BOULDER, CO 80305-6509 |
| Document Number | 0003825452 |
| Instrument Date | Oct 16, 2020 |
| Instrument | 3825452 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $84.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 3900 BRITTING AVE, 3900, BOULDER, CO 80305-6509 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3900 BRITTING AVE, BOULDER, CO 80305-6509 |
| Document Number | 0003825453 |
|---|---|
| Date | Oct 20, 2020 |
| Instrument | 3825453 |
| Name | CELEBRITY HOME LOANS LLC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2050 |
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 | $80,920 (-14.86%) Land $63,648 Building $17,272 | $1,260,000 (-17.14%) Land $1,006,000 Building $254,000 | |
| 2025 | $9,062.00 (+49.88%) | $95,044 (+28.96%) Land $66,669 Building $28,375 | $1,520,700 (+38.25%) Land $1,066,700 Building $454,000 |
| 2023 | $6,046.00 (+11.53%) | $73,700 (+26.24%) Land $60,769 Building $12,931 | $1,100,000 (+30.95%) Land $907,000 Building $193,000 |
| 2022 | $5,421.00 | $58,380 Land $46,704 Building $11,676 | $840,000 Land $672,000 Building $168,000 |
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.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · tidal / storm surge |
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 | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond 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 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 604 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: AT&T, T-Mobile.
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