Boulder County property record for 105 S 36th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,071 sqft · built 1955 |
| Lot Size | 0.183 acres (7,989 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $140,000 (Jan 1995) |
| Tax Bill | $5,323 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-05-3-07-022 |
| Primary APN | 1577-05-3-07-022 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,071 sqft Living Area |
| 1st Floor Area | 2,071 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,989 sqft (0.183 acres) |
| Porch | Porch |
|---|---|
| Porch Area | 24 sqft |
| Shed | 1 Shed |
| Total Buildings | 2 Buildings |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0012001 |
|---|---|
| Street Address | 105 S 36TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5436 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 22 BLK 7 MARTIN ACRES 1 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 1 - BO |
| Legal Block | 7 |
| Legal Lot Number | 22 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 12507 |
105 S 36th St is owned and occupied by two individuals who acquired it in February 1998.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 105 S 36TH ST, BOULDER, CO 80305-5436 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Jan 4, 1995 · Amount on File |
| Deed Sale | Jan 4, 1995 · Amount on File |
| Prior Sale | Oct 13, 1978 · Amount on File |
| Deed Document Number | 19951489580 |
| Last Transfer Date | Feb 23, 1998 |
| Transfer Doc | 0001780169 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 105 S 36th St was $5,323.
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 | $55,984 (+0.27%) Land $32,007 Building $23,977 | $893,300 (-) Land $540,700 Building $352,600 | |
| 2025 | $5,323.00 | $55,832 Land $33,794 Building $22,038 | $893,300 Land $540,700 Building $352,600 |
| 2023 | $5,147.00 (+16.69%) | $63,296 (+33.25%) Land $39,403 Building $23,893 | $944,700 (+38.22%) Land $588,100 Building $356,600 |
| 2022 | $4,411.00 | $47,501 Land $29,385 Building $18,116 | $683,460 Land $422,800 Building $260,660 |
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 105 S 36th St in Zone X, an area of moderate 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 | 9 in force |
| Nearby Flood Claims | 1 (2013) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
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 105 S 36th 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 451 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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