Boulder County property record for 470 S 38th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.25 ba · 2,436 sqft · built 1956 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | Company Name on Record |
| Last Sale | $320,000 (Mar 2005) |
| Tax Bill | $4,544 (2025) |
| Deeds & Mortgages | Jul 2021 Mortgage Oct 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-4-20-012 |
| Primary APN | 1577-05-4-20-012 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,436 sqft Living Area |
| Gross Area | 2,524 sqft |
| 1st Floor Area | 1,372 sqft |
| Basement Area | 1,152 sqft |
| Finished Basement | 1,064 sqft |
| Unfinished Basement | 88 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 6,970 sqft (0.16 acres) |
| Garage Type | Detached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0010870 |
|---|---|
| Street Address | 470 S 38TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5408 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 12 BLK 3 MARTIN ACRES 2 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 2 - BO |
| Legal Block | 3 |
| Legal Lot Number | 12 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 12507 |
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 | 300 CENTER DR, G, SUPERIOR, CO 80027-8633 |
| Owner Type | Company |
| Date | Document |
|---|---|
| Jul 21, 2021 | Deed of Trust, Mortgage · Conventional Mortgage OPTION FINANCIAL LLC |
| Oct 16, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 29, 2005 · Amount on Record |
| Deed Sale | Mar 29, 2005 · Amount on Record |
| Prior Sale | May 15, 1995 · Amount on Record |
| Deed Document Number | 20052675444 |
| Last Transfer Date | Oct 15, 2018 |
| Transfer Doc | 0003681399 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 470 S 38TH ST, BOULDER, CO 80305-5408 |
| Transaction Type | Mortgage |
| Record Updated | Aug 3, 2021 |
| Title Company | LAWYERS TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003901493 |
|---|---|
| Date | Jul 21, 2021 |
| Instrument | 3901493 |
| Name | OPTION FINANCIAL LLC |
|---|---|
| Type | Mortgage Company |
| Address | COSTA MESA, CA 92626 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Oct 16, 2018 |
| Property Address | 470 S 38TH ST, BOULDER, CO 80305-5408 |
| Document Number | 0003681399 |
| Instrument Date | Oct 15, 2018 |
| Instrument | 3681399 |
| Transaction Type | Transfer |
| Record Updated | Oct 25, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 4800 BASELINE RD #E104-290 BOULDER CO 803032699, E104-2, BOULDER, CO 80303-2699 |
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 | $46,172 (-1.37%) Land $28,172 Building $18,000 | $749,000 (-) Land $484,300 Building $264,700 | |
| 2025 | $4,544.00 (+1.54%) | $46,813 (-12.84%) Land $30,269 Building $16,544 | $749,000 (-6.56%) Land $484,300 Building $264,700 |
| 2024 | $4,475.00 (+1.84%) | ||
| 2023 | $4,394.00 (+11.16%) | $53,707 (+28.58%) Land $35,684 Building $18,023 | $801,600 (+33.38%) Land $532,600 Building $269,000 |
| 2022 | $3,953.00 | $41,770 Land $26,577 Building $15,193 | $601,000 Land $382,400 Building $218,600 |
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 |
|---|---|
| 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.
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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