Boulder County property record for 517 22nd St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,592 sqft · built 1947 |
| Lot Size | 0.145 acres (6,324 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $577,000 (May 2014) |
| Tax Bill | $7,976 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage Apr 2020 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-06-1-07-011 |
| Primary APN | 1577-06-1-07-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,592 sqft Living Area |
| Gross Area | 1,680 sqft |
| 1st Floor Area | 1,592 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 6,324 sqft (0.145 acres) |
| Porch | Enclosed Porch |
| Porch Area | 88 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0007569 |
|---|---|
| Street Address | 517 22ND ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7910 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 12 BLK 5 INTERURBAN PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | INTERURBAN PARK - BO |
| Legal Block | 5 |
| Legal Lot Number | 12 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 12505 |
Source: Boulder County records · APN 1577-06-1-07-011
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 517 22ND ST, BOULDER, CO 80302-7910 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 16, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage GUARANTEED RATE INC |
| Apr 21, 2020 | Quit Claim Deed, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 28, 2014 · Amount on Record |
| Deed Sale | May 28, 2014 · Amount on Record |
| Prior Sale | Aug 14, 2007 · Amount on Record |
| Deed Document Number | 20143381997 |
| Last Transfer Date | Jun 11, 2021 |
| Transfer Doc | 0003893031 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 16, 2021 |
| Property Address | 517 22ND ST, BOULDER, CO 80302-7910 |
| Document Number | 0003893031 |
| Instrument Date | Jun 11, 2021 |
| Instrument | 3893031 |
| Transaction Type | Transfer |
| Record Updated | Sep 17, 2021 |
| Title Company | CAPITAL TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 517 22ND ST, BOULDER, CO 80302-7910 |
| Document Number | 0003893032 |
|---|---|
| Date | Jun 16, 2021 |
| Instrument | 3893032 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 21, 2020 |
| Property Address | 517 22ND ST, BOULDER, CO 80302-7910 |
| Document Number | 0003778609 |
| Instrument Date | Mar 20, 2020 |
| Instrument | 3778609 |
| Transaction Type | Transfer |
| Record Updated | Sep 17, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 517 22ND ST, BOULDER, CO 80302-7910 |
| Document Number | 0003778610 |
|---|---|
| Date | Apr 21, 2020 |
| Instrument | 3778610 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2050 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $90,094 (+8.8%) Land $60,296 Building $29,798 | $1,324,900 (-) Land $886,700 Building $438,200 | |
| 2025 | $7,976.00 (+14.43%) | $82,807 (-0.87%) Land $55,419 Building $27,388 | $1,324,900 (+6.26%) Land $886,700 Building $438,200 |
| 2023 | $6,970.00 (+4.88%) | $83,536 (+18.05%) Land $56,468 Building $27,068 | $1,246,800 (+22.45%) Land $842,800 Building $404,000 |
| 2022 | $6,646.00 | $70,765 Land $46,266 Building $24,499 | $1,018,200 Land $665,700 Building $352,500 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Flood Insurance Cost | Premium on Record median of 15 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 12 (1994–2013) |
| Claims Outside the SFHA | 4 of 12 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Low lower than 62% of the US · lower than 78% of Colorado |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Lumen Technologies Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Magnolia Road Internet Cooperative.
Based on FCC filings for 481 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 166,080 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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