245 S 40th St, Boulder, CO 80305 Property Records

Boulder County property record for 245 S 40th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.25 ba · 2,113 sqft · built 1956
Lot Size	0.167 acres (7,254 sqft)
Owner	2 Individual Names on Record
Last Sale	$905,000 (Jun 2022)
Tax Bill	$5,284 (2025)
Deeds & Mortgages	Sep 2022 Line of Credit Jun 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-22-043`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-22-043`
Alternative APNs	`R0011358` `0011358`

Interior

Bedrooms	4 Beds
Full Baths	2.25 Baths
Half Baths	2 Half Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	2,113 sqft Living Area
Gross Area	2,524 sqft
1st Floor Area	1,152 sqft
Basement Area	1,152 sqft
Finished Basement	961 sqft
Unfinished Basement	191 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1980
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,254 sqft (0.167 acres)
Garage Type	Attached
Garage Area	220 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	160 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011358
Street Address	245 S 40TH ST
City	BOULDER
State	CO
Zip	80305-5415
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 43 BLK 5 MARTIN ACRES 2
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 2 - BO
Legal Block	5
Legal Lot Number	43
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3006
Census Tract	12507

Owner

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	2 Individual Names on Record
Mailing Address	245 S 40TH ST, BOULDER, CO 80305-5415
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 6, 2022	Deed of Trust, Mortgage · Line of Credit PNC BANK NA
Jun 8, 2022	Personal Representative Deed, Transfer · Conventional Mortgage CHANGE LENDING LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 8, 2022 · Amount on Record
Deed Sale	Jun 8, 2022 · Amount on Record
Prior Sale	Sep 1, 1992 · Amount on Record
Deed Document Number	20223965976
Prior Transfer Date	Aug 9, 2019
Prior Transfer Doc	0003729372
Record Updated	Oct 29, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	245 S 40TH ST, BOULDER, CO 80305-5415
Transaction Type	Mortgage
Record Updated	Sep 20, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	245 S 40TH ST, BOULDER, CO 80305-5415

Mortgage

Document Number	0003979848
Date	Sep 6, 2022
Instrument	3979848

Lender

Name	PNC BANK NA
Type	Bank
Address	DAYTON, OH 45401

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	479 Months
Due	Aug 1, 2062

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2022: Personal Representative Deed, Transfer

Document Type	Personal Representative Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 8, 2022
Property Address	245 S 40TH ST, BOULDER, CO 80305-5415
Document Number	0003965976
Map Reference	MB 6 PG 41
Instrument Date	May 31, 2022
Instrument	3965976
Transaction Type	Transfer
Record Updated	Jun 27, 2022

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$90.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	245 S 40TH ST, BOULDER, CO 80305-5415

Mortgage

Document Number	0003965977
Date	Jun 8, 2022
Instrument	3965977

Lender

Name	CHANGE LENDING LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2052

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$55,542 (+0.21%) Land $33,449 Building $22,093	$886,800 (-) Land $561,900 Building $324,900
2025	$5,284.00 (+1.95%)	$55,425 (-13%) Land $35,119 Building $20,306	$886,800 (-6.73%) Land $561,900 Building $324,900
2023	$5,183.00 (+54.35%)	$63,704 (+47.75%) Land $41,158 Building $22,546	$950,800 (+53.26%) Land $614,300 Building $336,500
2022	$3,358.00	$43,117 Land $30,524 Building $12,593	$620,400 Land $439,200 Building $181,200

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.

Flood

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	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	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 claims

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

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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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