Boulder County property record for 440 S 39th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,626 sqft · built 1956 |
| Lot Size | 0.157 acres (6,832 sqft) |
| Owner | Individual Name on File |
| Last Sale | $90,000 (May 2004) |
| Tax Bill | $4,636 (2025) |
| Deeds & Mortgages | Mar 2020 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-4-22-020 |
| Primary APN | 1577-05-4-22-020 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,626 sqft Living Area |
| Gross Area | 3,088 sqft |
| 1st Floor Area | 1,688 sqft |
| Basement Area | 1,400 sqft |
| Finished Basement | 938 sqft |
| Unfinished Basement | 462 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 6,832 sqft (0.157 acres) |
| Porch | Porch |
| Porch Area | 253 sqft |
| Patio Area | 252 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0013376 |
|---|---|
| Street Address | 440 S 39TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5414 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 20 BLK 5 MARTIN ACRES 2 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 2 - BO |
| Legal Block | 5 |
| Legal Lot Number | 20 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 12507 |
440 S 39th St is owned and occupied by an individual who acquired it in June 2004.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 440 S 39TH ST, BOULDER, CO 80305-5414 |
| Occupancy | Owner Occupied |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 20, 2004 · Amount on File |
| Deed Sale | May 20, 2004 · Amount on File |
| Deed Document Number | 20042589032 |
| Last Transfer Date | Jun 25, 2004 |
| Transfer Doc | 0002601328 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 440 S 39TH ST, BOULDER, CO 80305-5414 |
| Document Number | 0003775795 |
| Instrument Date | Mar 30, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 9, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 440 S 30TH ST BOULDER CO 80303, BOULDER, CO 80303 |
| Document Number | 0003775795 |
|---|---|
| Date | Apr 3, 2020 |
| Instrument | 3775795 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 240 Months |
| Due | Apr 2, 2040 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 440 S 39th St was $4,636.
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 | $54,951 (+0.13%) Land $32,321 Building $22,630 | $878,100 (-) Land $545,300 Building $332,800 | |
| 2025 | $4,636.00 | $54,881 Land $34,081 Building $20,800 | $878,100 Land $545,300 Building $332,800 |
| 2023 | $4,516.00 (-0.35%) | $62,686 (+28.43%) Land $39,939 Building $22,747 | $935,600 (+33.22%) Land $596,100 Building $339,500 |
| 2022 | $4,532.00 | $48,810 Land $29,621 Building $19,189 | $702,300 Land $426,200 Building $276,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 440 S 39th 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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 7 (1979–2022) |
| Claims Outside the SFHA | 5 of 7 |
| Most Recent Claim | Jul 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 440 S 39th 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 678 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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