Boulder County property record for 710 31st St, Boulder, CO 80303
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 2,460 sqft · built 1961 |
| Lot Size | 0.16 acres (6,946 sqft) |
| Owner | Company Name on File |
| Last Sale | $407,000 (Apr 2011) |
| Tax Bill | $5,850 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-32-4-30-011 |
| Primary APN | 1463-32-4-30-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,460 sqft Living Area |
| 1st Floor Area | 1,932 sqft |
| Upper Floors Area | 528 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,946 sqft (0.16 acres) |
| Porch | Porch |
| Porch Area | 49 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0010649 |
|---|---|
| Street Address | 710 31ST ST |
| City | BOULDER |
| State | CO |
| Zip | 80303-2402 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 11 BLK 10 BASELINE 4 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 32 |
| Legal Subdivision | BASELINE 4 - BO |
| Legal Block | 10 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 12609 |
710 31st St is owned by a company that bought it in April 2011.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4150 BASELINE RD, BOULDER, CO 80303-2504 |
| Owner Type | Company |
| Vesting | Borrower in Default |
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 | Apr 11, 2011 · Amount on File |
| Deed Sale | Apr 11, 2011 · Amount on File |
| Prior Sale | Oct 28, 2009 · Amount on File |
| Deed Document Number | 20113143061 |
| Prior Transfer Date | Dec 15, 2003 |
| Prior Transfer Doc | 0002540326 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 710 31st St was $5,850.
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 | $61,078 (+0.93%) Land $24,555 Building $36,523 | $968,200 (-) Land $431,100 Building $537,100 | |
| 2025 | $5,850.00 | $60,513 Land $26,944 Building $33,569 | $968,200 Land $431,100 Building $537,100 |
| 2023 | $6,035.00 (+15.08%) | $72,709 (+30.62%) Land $35,497 Building $37,212 | $1,085,200 (+35.5%) Land $529,800 Building $555,400 |
| 2022 | $5,244.00 | $55,663 Land $25,632 Building $30,031 | $800,900 Land $368,800 Building $432,100 |
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 710 31st 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 19 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 77 units insured incl. 58 condo units |
| Nearby Flood Claims | 3 (2013) |
| Claims Outside the SFHA | 1 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 710 31st St 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 | 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 227 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.
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