Boulder County property record for 650 S 40th St, Boulder, CO 80305
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 4 bd · 2.5 ba · 1,844 sqft · built 1962 |
| Lot Size | 0.22 acres (9,590 sqft) |
| Owner | Company Name on File |
| Last Sale | $665,000 (Jun 2016) |
| Tax Bill | $5,831 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-1-07-024 |
| Primary APN | 1577-08-1-07-024 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,844 sqft Living Area |
| 1st Floor Area | 1,844 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Lot Area | 9,590 sqft (0.22 acres) |
| Patio Area | 212 sqft |
| Shed | 1 Shed |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0012824 |
|---|---|
| Street Address | 650 S 40TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5905 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 24 & S 2.5 FT LOT 25 BLK 7 MARTIN ACRES 3 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 3 - BO |
| Legal Block | 7 |
| Legal Lot Number | 24 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 12508 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 654 S 40TH ST, BOULDER, CO 80305-5905 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 28, 2016 · Amount on File |
| Deed Sale | Jun 28, 2016 · Amount on File |
| Prior Sale | Dec 30, 1994 · Amount on File |
| Deed Document Number | 20163527065 |
| 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 | $59,942 (+0.8%) Land $32,694 Building $27,248 | $951,500 (-) Land $550,800 Building $400,700 | |
| 2025 | $5,831.00 (+0.07%) | $59,468 (-12.8%) Land $34,425 Building $25,043 | $951,500 (-6.52%) Land $550,800 Building $400,700 |
| 2024 | $5,827.00 (+1.85%) | ||
| 2023 | $5,721.00 (+17.52%) | $68,199 (+34.23%) Land $40,682 Building $27,517 | $1,017,900 (+36.24%) Land $607,200 Building $410,700 |
| 2022 | $4,868.00 | $50,806 Land $29,634 Building $21,172 | $747,140 Land $435,800 Building $311,340 |
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 | 5 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 67% of the US · lower than 84% 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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