Boulder County property record for 1000 Spring Dr, Boulder, CO 80303
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.75 ba · 5,337 sqft · built 1993 |
| Lot Size | 3.36 acres (146,708 sqft) |
| Owner | Company Name on File |
| Last Sale | $5,125,000 (Mar 2026) |
| Tax Bill | $17,493 (2025) |
| Deeds & Mortgages | Apr 2026 Mortgage Mar 2026 Sale + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-12-4-10-001 |
| Primary APN | 1577-12-4-10-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 5,337 sqft Living Area |
| Gross Area | 6,389 sqft |
| 1st Floor Area | 3,003 sqft |
| Upper Floors Area | 2,334 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Concrete |
| Lot Area | 146,708 sqft |
| Garage Type | Attached |
| Garage Area | 1,052 sqft |
| Parking Spaces | 6 Parking Spaces |
| Porch | Porch |
| Porch Area | 1,136 sqft |
| Deck Area | 90 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0515477 |
|---|---|
| Street Address | 1000 SPRING DR |
| City | BOULDER |
| State | CO |
| Zip | 80303-5029 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | ER |
| Legal Description | LOT 2B PARAGON ESTATES REPLAT B 1ST ADDITION |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 12 |
| Legal Subdivision | PARAGON ESTATES REP B 1ST ADDN |
| Legal Block | 3 |
| Legal Lot Number | 2B |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3059 |
| Census Tract | 12710 |
Source: Boulder County records · APN 1577-12-4-10-001
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 | Company Name on File |
|---|---|
| Mailing Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Date | Document |
|---|---|
| Apr 29, 2026 | Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC |
| Mar 23, 2026 | Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Mar 05, 2024 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Mar 25, 2021 | Intrafamily Transfer, Transfer |
| Apr 10, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 23, 2026 · Amount on Record |
| Deed Sale | Mar 23, 2026 · Amount on Record |
| Prior Sale | Jun 05, 2009 · Amount on Record |
| Deed Document Number | 20264124343 |
| Prior Transfer Date | Feb 19, 2021 |
| Prior Transfer Doc | 0003871206 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 29, 2026 |
| Property Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Document Number | 0004129939 |
| Instrument Date | Apr 27, 2026 |
| Instrument | 20264129939 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Relationship | Life Tenant, 269 |
| Address | 1528 SAINT FRANCIS WAY, SAN CARLOS, CA 94070-4856 |
| Document Number | 0004129939, |
|---|---|
| Date | Apr 29, 2026 |
| Instrument | 20264129939 |
| Name | ROCKET MORTGAGE LLC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 01, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.05% |
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Mar 23, 2026 |
| Property Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Document Number | 0004124343 |
| Map Reference | MB 1317 PG 314 |
| Instrument Date | Mar 18, 2026 |
| Instrument | 4124343 |
| Transaction Type | Transfer |
| Record Updated | Apr 22, 2026 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $512.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Transaction Type | Mortgage |
| Record Updated | Apr 03, 2024 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Document Number | 0004038482 |
|---|---|
| Date | Mar 05, 2024 |
| Instrument | 4038482 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 01, 2054 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Mar 25, 2021 |
| Property Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Document Number | 0003871206 |
| Instrument Date | Feb 19, 2021 |
| Instrument | 3871206 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 10, 2019 |
| Property Address | 1000 SPRING DR, BOULDER, CO 80303-5029 |
| Document Number | 0003706574 |
| Instrument Date | Mar 03, 2019 |
| Instrument | 3706574 |
| Transaction Type | Transfer |
| Record Updated | Apr 17, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 1000 SPRING DR BOULDER CO 803035029, BOULDER, CO 80303-5029 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $189,714 (+8.8%) Land $98,172 Building $91,542 | $2,789,900 (-) Land $1,443,700 Building $1,346,200 | |
| 2025 | $17,493.00 (+0.56%) | $174,369 (-8.9%) Land $90,231 Building $84,138 | $2,789,900 (-2.34%) Land $1,443,700 Building $1,346,200 |
| 2024 | $17,395.00 (+1.56%) | ||
| 2023 | $17,128.00 (+19.8%) | $191,406 (+31.06%) Land $74,102 Building $117,304 | $2,856,800 (+35.95%) Land $1,106,000 Building $1,750,800 |
| 2022 | $14,297.00 | $146,047 Land $58,074 Building $87,973 | $2,101,400 Land $835,600 Building $1,265,800 |
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 4 (1983–2016) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | May 2016 · other causes |
| Claims by Event |
|
| Wildfire Risk | Moderate above 68% of the US · above 61% of Colorado |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 |
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
May also be available: Lumen Technologies, T-Mobile USA.
Based on FCC filings for 66 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
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 | EAST BOULDER COUNTY WD serves 300 people |
|---|---|
| Water Source | Purchased surface water from CITY OF LAFAYETTE |
| Last State Inspection | May 2025 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 4 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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