Boulder County property record for 3121 Washington St, #A, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,938 sqft · built 2021 |
| Lot Size | 0.203 acres (8,837 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $816,480 (Jun 2019) |
| Tax Bill | $10,315 (2025) |
| Deeds & Mortgages | Feb 2026 Line of Credit Mar 2021 Construction Loan + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-19-3-16-010 |
| Primary APN | 1463-19-3-16-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,938 sqft Living Area |
| 1st Floor Area | 1,600 sqft |
| Basement Area | 889 sqft |
| Finished Basement | 889 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2021 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 8,837 sqft (0.203 acres) |
| Garage Type | Detached |
| Garage Area | 200 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0003772 |
|---|---|
| Street Address | 3121 WASHINGTON ST, A |
| City | BOULDER |
| State | CO |
| Zip | 80304-2642 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 10 & TRI ON W SIDE OF LOT 9 BEING 6.65 AT BASE BLK 1 BONSALL SUB |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 19 |
| Legal Subdivision | BONSALL - BO |
| Legal Block | 1 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 12106 |
3121 Washington St, #A is owned by two individuals who bought it in June 2019.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3121 WASHINGTON ST, BOULDER, CO 80304-2642 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 2, 2026 | Deed of Trust, Mortgage · Line of Credit ALPINE BANK |
| Mar 10, 2021 | Deed of Trust, Mortgage · Construction Mortgage BANK OF COLORADO |
| Jun 28, 2019 | Special Warranty Deed, Transfer · Conventional Mortgage DSW MORTGAGE INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 28, 2019 · Amount on File |
| Deed Sale | Jun 28, 2019 · Amount on File |
| Prior Sale | Apr 28, 1980 · Amount on File |
| Deed Document Number | 20193721194 |
| Prior Transfer Date | Jun 22, 2012 |
| Prior Transfer Doc | 0003240281 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3121 WASHINGTON ST, BOULDER, CO 80304-2642 |
| Transaction Type | Mortgage |
| Record Updated | Feb 13, 2026 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 3121 WASHINGTON ST, BOULDER, CO 80304-2642 |
| Document Number | 0004118237 |
|---|---|
| Date | Feb 2, 2026 |
| Instrument | 4118237 |
| Name | ALPINE BANK |
|---|---|
| Type | Bank |
| Address | RIFLE, CO 81650 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 120 Months |
| Due | Feb 25, 2036 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3121 WASHINGTON ST, BOULDER, CO 80304-2642 |
| Transaction Type | Mortgage |
| Record Updated | Feb 27, 2024 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0003866585 |
|---|---|
| Date | Mar 10, 2021 |
| Instrument | 3866585 |
| Name | BANK OF COLORADO |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 372 Months |
| Due | Mar 6, 2052 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 28, 2019 |
| Property Address | 3121 WASHINGTON ST # A, A, BOULDER, CO 80304-2642 |
| Document Number | 0003721194 |
| Instrument Date | Jun 26, 2019 |
| Instrument | 3721194 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $81.65 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3121 WASHINGTON ST, BOULDER, CO 80304-2642 |
| Document Number | 0003721195 |
|---|---|
| Date | Jun 28, 2019 |
| Instrument | 3721195 |
| Name | DSW MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2049 |
The 2025 property tax bill for 3121 Washington St, #A was $10,315, up 2.3% from the year before.
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 | $112,941 (+4.4%) Land $61,615 Building $51,326 | $1,730,900 (-) Land $976,100 Building $754,800 | |
| 2025 | $10,315.00 (+2.25%) | $108,181 Land $61,006 Building $47,175 | $1,730,900 Land $976,100 Building $754,800 |
| 2024 | $10,088.00 (+1.77%) | ||
| 2023 | $9,913.00 (+22.37%) | $118,482 (+35.81%) Land $64,601 Building $53,881 | $1,768,400 (+40.87%) Land $964,200 Building $804,200 |
| 2022 | $8,101.00 | $87,243 Land $48,761 Building $38,482 | $1,255,300 Land $701,600 Building $553,700 |
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 3121 Washington St, #A in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 2013.
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 |
| Flood Insurance Cost | Premium on File median of 50 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 50 in force |
| Nearby Flood Claims | 3 (2013) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| 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 3121 Washington St, #A is low, with a 0.01% annual chance of wildfire.
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 | 0.01% 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 483 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 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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