Boulder County property record for 1138 12th St, Boulder, CO 80302
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 10 bd · 4.5 ba · 3,656 sqft · built 1929 |
| Lot Size | 0.139 acres (6,054 sqft) |
| Owner | Company Name on Record |
| Last Sale | $890,000 (Jul 2003) |
| Tax Bill | $17,155 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-31-2-43-003 |
| Primary APN | 1463-31-2-43-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 10 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 16 Rooms |
| Units | 2 Units |
| Building Area | 3,656 sqft Living Area |
| Gross Area | 4,400 sqft |
| 1st Floor Area | 1,752 sqft |
| Upper Floors Area | 1,904 sqft |
| Basement Area | 744 sqft |
| Year Built | Built 1929 |
|---|---|
| Effective Year Built | Effective 1985 |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 6,054 sqft (0.139 acres) |
| Porch | Porch |
| Porch Area | 240 sqft |
| Deck Area | 150 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0008442 |
|---|---|
| Street Address | 1138 12TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7014 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOTS 8-9 BLK 5 UNIVERSITY TERRACE |
| Legal Subdivision | UNIVERSITY TERRACE - BO |
| Legal Block | 5 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 12401 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 13 SWEETWATER OAKS DR, FERNANDINA BEACH, FL 32034-5060 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 30, 2003 · Amount on Record |
| Deed Sale | Jul 30, 2003 · Amount on Record |
| Prior Sale | Mar 18, 1997 · Amount on Record |
| Deed Document Number | 20032479130 |
| Prior Transfer Date | Mar 30, 1994 |
| Prior Transfer Doc | 0001412628 |
| Record Updated | Oct 29, 2026 |
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 | $188,238 (+6.12%) Land $65,478 Building $122,760 | $2,838,200 (-) Land $1,032,900 Building $1,805,300 | |
| 2025 | $17,155.00 (+3.92%) | $177,387 (-6.06%) Land $64,556 Building $112,831 | $2,838,200 (+0.7%) Land $1,032,900 Building $1,805,300 |
| 2024 | $16,508.00 (+1.81%) | ||
| 2023 | $16,214.00 (+44.36%) | $188,840 (+59.31%) Land $66,203 Building $122,637 | $2,818,500 (+61.69%) Land $988,100 Building $1,830,400 |
| 2022 | $11,232.00 | $118,538 Land $54,448 Building $64,090 | $1,743,200 Land $800,700 Building $942,500 |
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 | 2 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 | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% 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 367 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 · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Magnolia Road Internet Cooperative.
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